diff --git a/Cargo.lock b/Cargo.lock
index 2a696d2..e59bfc9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -55,7 +55,7 @@ checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -120,15 +120,6 @@ version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
-[[package]]
-name = "bincode"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -174,7 +165,6 @@ version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
 dependencies = [
- "jobserver",
  "libc",
 ]
 
@@ -200,9 +190,9 @@ dependencies = [
 
 [[package]]
 name = "chrono-tz"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1369bc6b9e9a7dfdae2055f6ec151fe9c554a9d23d357c0237cee2e25eaabb7"
+checksum = "e23185c0e21df6ed832a12e2bda87c7d1def6842881fb634a8511ced741b0d76"
 dependencies = [
  "chrono",
  "chrono-tz-build",
@@ -211,9 +201,9 @@ dependencies = [
 
 [[package]]
 name = "chrono-tz-build"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2f5ebdc942f57ed96d560a6d1a459bae5851102a25d5bf89dc04ae453e31ecf"
+checksum = "433e39f13c9a060046954e0592a8d0a4bcb1040125cbf91cb8ee58964cfb350f"
 dependencies = [
  "parse-zoneinfo",
  "phf",
@@ -238,9 +228,9 @@ checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fbc60abd742b35f2492f808e1abbb83d45f72db402e14c55057edc9c7b1e9e4"
+checksum = "ce420fe07aecd3e67c5f910618fe65e94158f6dcc0adf44e00d69ce2bdfe0fd0"
 dependencies = [
  "libc",
 ]
@@ -254,28 +244,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "crossbeam-epoch"
-version = "0.9.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae211234986c545741a7dc064309f67ee1e5ad243d0e48335adc0484d960bcc7"
-dependencies = [
- "autocfg",
- "cfg-if",
- "crossbeam-utils",
- "memoffset",
- "scopeguard",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a22b2d63d4d1dc0b7f1b6b2747dd0088008a9be28b6ddf0b1e7d335e3037294"
-dependencies = [
- "cfg-if",
-]
-
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -331,7 +299,7 @@ dependencies = [
  "hashbrown 0.14.2",
  "lock_api",
  "once_cell",
- "parking_lot_core 0.9.9",
+ "parking_lot_core",
  "serde",
 ]
 
@@ -376,6 +344,50 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "diesel"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2268a214a6f118fce1838edba3d1561cf0e78d8de785475957a580a7f8c69d33"
+dependencies = [
+ "chrono",
+ "diesel_derives",
+ "libsqlite3-sys",
+ "time",
+]
+
+[[package]]
+name = "diesel_derives"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef8337737574f55a468005a83499da720f20c65586241ffea339db9ecdfd2b44"
+dependencies = [
+ "diesel_table_macro_syntax",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
+[[package]]
+name = "diesel_migrations"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6036b3f0120c5961381b570ee20a02432d7e2d27ea60de9578799cf9156914ac"
+dependencies = [
+ "diesel",
+ "migrations_internals",
+ "migrations_macros",
+]
+
+[[package]]
+name = "diesel_table_macro_syntax"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc5557efc453706fed5e4fa85006fe9817c224c3f480a34c7e5959fd700921c5"
+dependencies = [
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -400,17 +412,18 @@ name = "disbahn"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "bincode",
  "chrono",
  "chrono-tz",
+ "diesel",
+ "diesel_migrations",
  "dotenvy",
  "env_logger",
+ "getset",
  "lazy-regex",
  "log",
  "reqwest",
  "rss",
  "serenity",
- "sled",
  "tokio",
 ]
 
@@ -431,9 +444,9 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85cdab6a89accf66733ad5a1693a4dcced6aeff64602b634530dd73c1f3ee9f0"
+checksum = "95b3f3e67048839cb0d0781f445682a35113da7121f7c949db0e2be96a4fbece"
 dependencies = [
  "humantime",
  "is-terminal",
@@ -443,10 +456,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "errno"
-version = "0.3.5"
+name = "equivalent"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3e13f66a2f95e32a39eaa81f6b95d42878ca0e1db0c7543723dfe12557e860"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "errno"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c18ee0ed65a5f1f81cac6b1d213b69c35fa47d4252ad41f1486dbd8226fe36e"
 dependencies = [
  "libc",
  "windows-sys",
@@ -477,21 +496,11 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "fs2"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "futures"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23342abe12aba583913b2e62f22225ff9c950774065e4bfb61a19cd9770fec40"
+checksum = "da0290714b38af9b4a7b094b8a37086d1b4e61f2df9122c3cad2577669145335"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -503,9 +512,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
+checksum = "ff4dd66668b557604244583e3e1e1eada8c5c2e96a6d0d6653ede395b78bbacb"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -513,44 +522,44 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
+checksum = "eb1d22c66e66d9d72e1758f0bd7d4fd0bee04cad842ee34587d68c07e45d088c"
 
 [[package]]
 name = "futures-io"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
+checksum = "8bf34a163b5c4c52d0478a4d757da8fb65cabef42ba90515efee0f6f9fa45aaa"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
+checksum = "53b153fd91e4b0147f4aced87be237c98248656bb01050b96bf3ee89220a8ddb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "futures-sink"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f43be4fe21a13b9781a69afa4985b0f6ee0e1afab2c6f454a8cf30e2b2237b6e"
+checksum = "e36d3378ee38c2a36ad710c5d30c2911d752cb941c00c72dbabfb786a7970817"
 
 [[package]]
 name = "futures-task"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76d3d132be6c0e6aa1534069c705a74a5997a356c0dc2f86a47765e5617c5b65"
+checksum = "efd193069b0ddadc69c46389b740bbccdd97203899b48d09c5f7969591d6bae2"
 
 [[package]]
 name = "futures-util"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
+checksum = "a19526d624e703a3179b3d322efec918b6246ea0fa51d41124525f00f1cc8104"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -564,15 +573,6 @@ dependencies = [
  "slab",
 ]
 
-[[package]]
-name = "fxhash"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -585,15 +585,27 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "libc",
  "wasi",
 ]
 
+[[package]]
+name = "getset"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e45727250e75cc04ff2846a66397da8ef2b3db8e40e0cef4df67950a07621eb9"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "gimli"
 version = "0.28.0"
@@ -612,7 +624,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http",
- "indexmap",
+ "indexmap 1.9.3",
  "slab",
  "tokio",
  "tokio-util",
@@ -639,9 +651,9 @@ checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
 [[package]]
 name = "http"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd6effc99afb63425aff9b05836f029929e345a6148a14b7ecd5ab67af944482"
+checksum = "f95b9abcae896730d42b78e09c155ed4ddf82c07b4de772c64aee5b2d8b7c150"
 dependencies = [
  "bytes",
  "fnv",
@@ -703,14 +715,14 @@ dependencies = [
 
 [[package]]
 name = "hyper-rustls"
-version = "0.24.1"
+version = "0.24.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d78e1e73ec14cf7375674f74d7dde185c8206fd9dea6fb6295e8a98098aaa97"
+checksum = "ec3efd23720e2049821a693cbc7e65ea87c72f1c58ff2f9522ff332b1491e590"
 dependencies = [
  "futures-util",
  "http",
  "hyper",
- "rustls 0.21.7",
+ "rustls 0.21.8",
  "tokio",
  "tokio-rustls 0.24.1",
 ]
@@ -765,12 +777,13 @@ dependencies = [
 ]
 
 [[package]]
-name = "instant"
-version = "0.1.12"
+name = "indexmap"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
 dependencies = [
- "cfg-if",
+ "equivalent",
+ "hashbrown 0.14.2",
 ]
 
 [[package]]
@@ -796,29 +809,20 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
-[[package]]
-name = "jobserver"
-version = "0.1.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c37f63953c4c63420ed5fd3d6d398c719489b9f872b9fa683262f8edd363c7d"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "js-sys"
-version = "0.3.64"
+version = "0.3.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a"
+checksum = "54c0c35952f67de54bb584e9fd912b3023117cbafc0a77d8f3dee1fb5f572fe8"
 dependencies = [
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "lazy-regex"
-version = "3.0.2"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e723bd417b2df60a0f6a2b6825f297ea04b245d4ba52b5a22cb679bdf58b05fa"
+checksum = "5d12be4595afdf58bd19e4a9f4e24187da2a66700786ff660a418e9059937a4c"
 dependencies = [
  "lazy-regex-proc_macros",
  "once_cell",
@@ -827,27 +831,37 @@ dependencies = [
 
 [[package]]
 name = "lazy-regex-proc_macros"
-version = "3.0.1"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f0a1d9139f0ee2e862e08a9c5d0ba0470f2aa21cd1e1aa1b1562f83116c725f"
+checksum = "44bcd58e6c97a7fcbaffcdc95728b393b8d98933bfadad49ed4097845b57ef0b"
 dependencies = [
  "proc-macro2",
  "quote",
  "regex",
- "syn 2.0.38",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.149"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
+
+[[package]]
+name = "libsqlite3-sys"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afc22eff61b133b115c6e8c74e818c628d6d5e7a502afea6f64dee076dd94326"
+dependencies = [
+ "pkg-config",
+ "vcpkg",
+]
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.4.10"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da2479e8c062e40bf0066ffa0bc823de0a9368974af99c9f6df941d2c231e03f"
+checksum = "969488b55f8ac402214f3f5fd243ebb7206cf82de60d3172994707a4bcc2b829"
 
 [[package]]
 name = "lock_api"
@@ -872,12 +886,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
 
 [[package]]
-name = "memoffset"
-version = "0.9.0"
+name = "migrations_internals"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+checksum = "0f23f71580015254b020e856feac3df5878c2c7a8812297edd6c0a485ac9dada"
 dependencies = [
- "autocfg",
+ "serde",
+ "toml",
+]
+
+[[package]]
+name = "migrations_macros"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cce3325ac70e67bbab5bd837a31cae01f1a6db64e0e744a33cb03a543469ef08"
+dependencies = [
+ "migrations_internals",
+ "proc-macro2",
+ "quote",
 ]
 
 [[package]]
@@ -965,17 +991,6 @@ dependencies = [
  "num-traits",
 ]
 
-[[package]]
-name = "parking_lot"
-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
-dependencies = [
- "instant",
- "lock_api",
- "parking_lot_core 0.8.6",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -983,21 +998,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
  "lock_api",
- "parking_lot_core 0.9.9",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
-dependencies = [
- "cfg-if",
- "instant",
- "libc",
- "redox_syscall 0.2.16",
- "smallvec",
- "winapi",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -1008,7 +1009,7 @@ checksum = "4c42a9226546d68acdd9c0a280d17ce19bfe27a46bf68784e4066115788d008e"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall 0.4.1",
+ "redox_syscall",
  "smallvec",
  "windows-targets",
 ]
@@ -1078,6 +1079,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -1090,6 +1097,30 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.69"
@@ -1148,15 +1179,6 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
-dependencies = [
- "bitflags 1.3.2",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.4.1"
@@ -1219,7 +1241,7 @@ dependencies = [
  "once_cell",
  "percent-encoding",
  "pin-project-lite",
- "rustls 0.21.7",
+ "rustls 0.21.8",
  "rustls-pemfile",
  "serde",
  "serde_json",
@@ -1287,9 +1309,9 @@ checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
 [[package]]
 name = "rustix"
-version = "0.38.20"
+version = "0.38.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67ce50cb2e16c2903e30d1cbccfd8387a74b9d4c938b6a4c5ec6cc7556f7a8a0"
+checksum = "2b426b0506e5d50a7d8dafcf2e81471400deb602392c7dd110815afb4eaf02a3"
 dependencies = [
  "bitflags 2.4.1",
  "errno",
@@ -1312,33 +1334,33 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.21.7"
+version = "0.21.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
+checksum = "446e14c5cda4f3f30fe71863c34ec70f5ac79d6087097ad0bb433e1be5edf04c"
 dependencies = [
  "log",
- "ring 0.16.20",
+ "ring 0.17.5",
  "rustls-webpki",
  "sct",
 ]
 
 [[package]]
 name = "rustls-pemfile"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d3987094b1d07b653b7dfdc3f70ce9a1da9c51ac18c1b06b662e4f9a0e9f4b2"
+checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c"
 dependencies = [
  "base64 0.21.5",
 ]
 
 [[package]]
 name = "rustls-webpki"
-version = "0.101.6"
+version = "0.101.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c7d5dece342910d9ba34d259310cae3e0154b873b35408b787b59bce53d34fe"
+checksum = "8b6275d1ee7a1cd780b64aca7726599a1dbc893b1e64144529e55c3c2f745765"
 dependencies = [
- "ring 0.16.20",
- "untrusted 0.7.1",
+ "ring 0.17.5",
+ "untrusted 0.9.0",
 ]
 
 [[package]]
@@ -1355,19 +1377,19 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "sct"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
+checksum = "da046153aa2352493d6cb7da4b6e5c0c057d8a1d0a9aa8560baffdd945acd414"
 dependencies = [
- "ring 0.16.20",
- "untrusted 0.7.1",
+ "ring 0.17.5",
+ "untrusted 0.9.0",
 ]
 
 [[package]]
 name = "serde"
-version = "1.0.189"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e422a44e74ad4001bdc8eede9a4570ab52f71190e9c076d14369f38b9200537"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
@@ -1384,26 +1406,35 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.189"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e48d1f918009ce3145511378cf68d613e3b3d9137d67272562080d68a2b32d5"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.107"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
  "serde",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12022b835073e5b11e90a14f86838ceb1c8fb0325b72416845c487ac0fa95e80"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -1418,13 +1449,13 @@ dependencies = [
 
 [[package]]
 name = "serenity"
-version = "0.11.6"
+version = "0.11.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d007dc45584ecc47e791f2a9a7cf17bf98ac386728106f111159c846d624be3f"
+checksum = "7a7a89cef23483fc9d4caf2df41e6d3928e18aada84c56abd237439d929622c6"
 dependencies = [
  "async-trait",
  "async-tungstenite",
- "base64 0.13.1",
+ "base64 0.21.5",
  "bitflags 1.3.2",
  "bytes",
  "cfg-if",
@@ -1433,7 +1464,7 @@ dependencies = [
  "futures",
  "mime",
  "mime_guess",
- "parking_lot 0.12.1",
+ "parking_lot",
  "percent-encoding",
  "reqwest",
  "serde",
@@ -1481,28 +1512,11 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "sled"
-version = "0.34.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f96b4737c2ce5987354855aed3797279def4ebf734436c6aa4552cf8e169935"
-dependencies = [
- "crc32fast",
- "crossbeam-epoch",
- "crossbeam-utils",
- "fs2",
- "fxhash",
- "libc",
- "log",
- "parking_lot 0.11.2",
- "zstd",
-]
-
 [[package]]
 name = "smallvec"
-version = "1.11.1"
+version = "1.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
+checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
 
 [[package]]
 name = "socket2"
@@ -1555,9 +1569,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.38"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1611,7 +1625,7 @@ checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1660,9 +1674,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.33.0"
+version = "1.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f38200e3ef7995e5ef13baec2f432a6da0aa9ac495b2c0e8f3b7eec2c92d653"
+checksum = "d0c014766411e834f7af5b8f4cf46257aab4036ca95e9d2c144a10f59ad6f5b9"
 dependencies = [
  "backtrace",
  "bytes",
@@ -1678,13 +1692,13 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
+checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1704,15 +1718,15 @@ version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
 dependencies = [
- "rustls 0.21.7",
+ "rustls 0.21.8",
  "tokio",
 ]
 
 [[package]]
 name = "tokio-util"
-version = "0.7.9"
+version = "0.7.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d68074620f57a0b21594d9735eb2e98ab38b17f80d3fcb189fca266771ca60d"
+checksum = "5419f34732d9eb6ee4c3578b7989078579b7f039cbbb9ca2c4da015749371e15"
 dependencies = [
  "bytes",
  "futures-core",
@@ -1722,6 +1736,40 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "toml"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd79e69d3b627db300ff956027cc6c3798cef26d22526befdfcd12feeb6d2257"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.19.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
+dependencies = [
+ "indexmap 2.1.0",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.2"
@@ -1748,7 +1796,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1859,6 +1907,12 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -1882,9 +1936,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
+checksum = "7daec296f25a1bae309c0cd5c29c4b260e510e6d813c286b19eaadf409d40fce"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -1892,24 +1946,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
+checksum = "e397f4664c0e4e428e8313a469aaa58310d302159845980fd23b0f22a847f217"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.39",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.37"
+version = "0.4.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c02dbc21516f9f1f04f187958890d7e6026df8d16540b7ad9492bc34a67cea03"
+checksum = "9afec9963e3d0994cac82455b2b3502b81a7f40f9a0d32181f7528d9f4b43e02"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -1919,9 +1973,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
+checksum = "5961017b3b08ad5f3fe39f1e79877f8ee7c23c5e5fd5eb80de95abc41f1f16b2"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1929,22 +1983,22 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
+checksum = "c5353b8dab669f5e10f5bd76df26a9360c748f054f862ff5f3f8aae0c7fb3907"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.39",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.87"
+version = "0.2.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
+checksum = "0d046c5d029ba91a1ed14da14dca44b68bf2f124cfbaf741c54151fdb3e0750b"
 
 [[package]]
 name = "wasm-streams"
@@ -1961,9 +2015,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.64"
+version = "0.3.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b85cbef8c220a6abc02aefd892dfc0fc23afb1c6a426316ec33253a3877249b"
+checksum = "5db499c5f66323272151db0e666cd34f78617522fb0c1604d31a27c50c206a85"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -2100,6 +2154,15 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "winnow"
+version = "0.5.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "829846f3e3db426d4cee4510841b71a8e58aa2a76b1132579487ae430ccd9c7b"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "winreg"
 version = "0.50.0"
@@ -2109,32 +2172,3 @@ dependencies = [
  "cfg-if",
  "windows-sys",
 ]
-
-[[package]]
-name = "zstd"
-version = "0.9.2+zstd.1.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2390ea1bf6c038c39674f22d95f0564725fc06034a47129179810b2fc58caa54"
-dependencies = [
- "zstd-safe",
-]
-
-[[package]]
-name = "zstd-safe"
-version = "4.1.3+zstd.1.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e99d81b99fb3c2c2c794e3fe56c305c63d5173a16a46b5850b07c935ffc7db79"
-dependencies = [
- "libc",
- "zstd-sys",
-]
-
-[[package]]
-name = "zstd-sys"
-version = "1.6.2+zstd.1.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2daf2f248d9ea44454bfcb2516534e8b8ad2fc91bf818a1885495fc42bc8ac9f"
-dependencies = [
- "cc",
- "libc",
-]
diff --git a/Cargo.toml b/Cargo.toml
index 4f48d9f..a5c62bd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,15 +10,15 @@ rss = "2.0"
 reqwest = {version = "0.11", default-features = false, features = ["rustls"]}
 tokio = {version = "1.28", features = ["rt-multi-thread", "signal"]}
 lazy-regex = "3.0.2"
-#time = {version = "0.3", features = ["local-offset" ,"macros", "parsing"]}
 chrono = "0.4.25"
 chrono-tz = "0.8.2"
 anyhow = "1.0.71"
 log = "0.4.18"
 env_logger = "0.10.0"
 dotenvy = "0.15.7"
-sled = { version = "0.34.7", features = ["compression"] }
-bincode = "1.3.3"
+diesel = { version = "2.1.3", features = ["sqlite", "chrono"] }
+diesel_migrations = "2.1.0"
+getset = "0.1.2"
 
 [dependencies.serenity]
 version = "0.11"
diff --git a/diesel.toml b/diesel.toml
new file mode 100644
index 0000000..85fd363
--- /dev/null
+++ b/diesel.toml
@@ -0,0 +1,9 @@
+# For documentation on how to configure this file,
+# see https://diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/database/schema.rs"
+custom_type_derives = ["diesel::query_builder::QueryId"]
+
+[migrations_directory]
+dir = "migrations"
diff --git a/migrations/.keep b/migrations/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/migrations/2023-11-05-222006_create_posts/down.sql b/migrations/2023-11-05-222006_create_posts/down.sql
new file mode 100644
index 0000000..7175e36
--- /dev/null
+++ b/migrations/2023-11-05-222006_create_posts/down.sql
@@ -0,0 +1 @@
+DROP TABLE posts;
\ No newline at end of file
diff --git a/migrations/2023-11-05-222006_create_posts/up.sql b/migrations/2023-11-05-222006_create_posts/up.sql
new file mode 100644
index 0000000..bf937f6
--- /dev/null
+++ b/migrations/2023-11-05-222006_create_posts/up.sql
@@ -0,0 +1,7 @@
+CREATE TABLE posts (
+    announcement_id TEXT NOT NULL,
+    webhook_id UNSIGNED BIG INT NOT NULL,
+    message_id UNSIGNED BIG INT NOT NULL,
+    last_updated TIMESTAMP NOT NULL,
+    PRIMARY KEY (announcement_id, webhook_id)
+);
\ No newline at end of file
diff --git a/src/bin/disbahn.rs b/src/bin/disbahn.rs
new file mode 100644
index 0000000..db49dc4
--- /dev/null
+++ b/src/bin/disbahn.rs
@@ -0,0 +1,30 @@
+use disbahn::database::Database;
+use disbahn::DisbahnClient;
+use serenity::http::Http;
+use std::env;
+use std::env::VarError;
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    dotenvy::dotenv()?;
+
+    env_logger::builder()
+        .filter_module(module_path!(), log::LevelFilter::Debug)
+        .init();
+
+    let database_url = match env::var("DATABASE_URL") {
+        Ok(url) => url,
+        Err(VarError::NotPresent) => "disbahn.db".to_string(),
+        Err(err) => return Err(err.into()),
+    };
+    let webhook_url = env::var("WEBHOOK_URL")?;
+    let feed_url = env::var("FEED_URL")?;
+
+    let database = Database::connect(&database_url)?;
+    let http = Http::new("");
+    let webhook = http.get_webhook_from_url(&webhook_url).await.unwrap();
+
+    let mut disbahn_client = DisbahnClient::new(database, webhook, http, feed_url);
+
+    disbahn_client.refresh().await
+}
diff --git a/src/database/mod.rs b/src/database/mod.rs
new file mode 100644
index 0000000..4eb0996
--- /dev/null
+++ b/src/database/mod.rs
@@ -0,0 +1,39 @@
+pub mod models;
+pub mod schema;
+
+use anyhow::format_err;
+use diesel::prelude::*;
+use diesel::SqliteConnection;
+use diesel_migrations::{embed_migrations, EmbeddedMigrations, MigrationHarness};
+use log::debug;
+
+pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!("migrations");
+
+pub struct Database {
+    conn: SqliteConnection,
+}
+
+impl Database {
+    fn new(conn: SqliteConnection) -> Self {
+        Self { conn }
+    }
+
+    pub fn connect(url: &str) -> anyhow::Result<Self> {
+        let mut connection = SqliteConnection::establish(url)
+            .map_err(|err| format_err!("Unable to connect to database at {url}: {err}"))?;
+        debug!("Established connection to SQLite database at {url}");
+
+        let migration_versions = connection
+            .run_pending_migrations(MIGRATIONS)
+            .map_err(|err| format_err!("Unable to run database migrations: {err}"))?;
+        if !migration_versions.is_empty() {
+            debug!("Ran database migrations for versions {migration_versions:?}");
+        }
+
+        Ok(Self::new(connection))
+    }
+
+    pub fn conn(&mut self) -> &mut SqliteConnection {
+        &mut self.conn
+    }
+}
diff --git a/src/database/models.rs b/src/database/models.rs
new file mode 100644
index 0000000..199c9f6
--- /dev/null
+++ b/src/database/models.rs
@@ -0,0 +1,51 @@
+use super::schema::*;
+use chrono::NaiveDateTime;
+use diesel::{Insertable, Queryable};
+use getset::Getters;
+use serenity::model::id::{MessageId, WebhookId};
+use std::borrow::Cow;
+
+#[derive(Queryable, Getters)]
+pub struct Post {
+    #[getset(get = "pub")]
+    announcement_id: String,
+    webhook_id: i64,
+    message_id: i64,
+    #[getset(get = "pub")]
+    last_updated: NaiveDateTime,
+}
+
+impl Post {
+    pub fn webhook_id(&self) -> WebhookId {
+        WebhookId(u64::from_le_bytes(self.webhook_id.to_le_bytes()))
+    }
+
+    pub fn message_id(&self) -> MessageId {
+        MessageId(u64::from_le_bytes(self.message_id.to_le_bytes()))
+    }
+}
+
+#[derive(Insertable)]
+#[diesel(table_name = posts)]
+pub struct NewPost<'a> {
+    announcement_id: Cow<'a, str>,
+    webhook_id: i64,
+    message_id: i64,
+    last_updated: NaiveDateTime,
+}
+
+impl<'a> NewPost<'a> {
+    pub fn new(
+        announcement_id: impl Into<Cow<'a, str>>,
+        webhook_id: WebhookId,
+        message_id: MessageId,
+        last_updated: NaiveDateTime,
+    ) -> Self {
+        Self {
+            announcement_id: announcement_id.into(),
+            webhook_id: i64::from_le_bytes(webhook_id.0.to_le_bytes()),
+            message_id: i64::from_le_bytes(message_id.0.to_le_bytes()),
+            last_updated,
+        }
+    }
+}
diff --git a/src/database/schema.rs b/src/database/schema.rs
new file mode 100644
index 0000000..531080c
--- /dev/null
+++ b/src/database/schema.rs
@@ -0,0 +1,10 @@
+// @generated automatically by Diesel CLI.
+
+diesel::table! {
+    posts (announcement_id, webhook_id) {
+        announcement_id -> Text,
+        webhook_id -> BigInt,
+        message_id -> BigInt,
+        last_updated -> Timestamp,
+    }
+}
diff --git a/src/main.rs b/src/lib.rs
similarity index 65%
rename from src/main.rs
rename to src/lib.rs
index a1e3622..a19df8a 100644
--- a/src/main.rs
+++ b/src/lib.rs
@@ -1,5 +1,11 @@
+pub mod database;
+
+use crate::database::models::{NewPost, Post};
+use crate::database::schema::posts::dsl::posts;
+use crate::database::Database;
 use anyhow::{anyhow, Context};
-use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
+use chrono::{DateTime, NaiveDateTime, TimeZone};
+use diesel::{ExpressionMethods, OptionalExtension, QueryDsl, RunQueryDsl};
 use lazy_regex::regex;
 use log::{debug, info};
 use reqwest::IntoUrl;
@@ -7,51 +13,21 @@ use serenity::http::Http;
 use serenity::json::Value;
 use serenity::model::channel::Embed;
 use serenity::model::webhook::Webhook;
-use std::borrow::Cow;
-use std::env;
 
-struct RefreshDb(sled::Db);
-
-impl RefreshDb {
-    fn get(&self, guid: &str) -> anyhow::Result<Option<DateTime<Utc>>> {
-        self.0
-            .get(guid)
-            .with_context(|| "db error: unable to get value")?
-            .map(|b| {
-                bincode::deserialize::<i64>(&b)
-                    .with_context(|| "db error: unable to deserialize i64")
-            })
-            .transpose()?
-            .map(|i| {
-                Utc.timestamp_opt(i, 0)
-                    .single()
-                    .with_context(|| "db error: unable to parse timestamp from i64")
-            })
-            .transpose()
-    }
-
-    fn insert(&self, guid: String, datetime: DateTime<Utc>) -> anyhow::Result<()> {
-        let timestamp = datetime.timestamp();
-        let bytes = bincode::serialize(&timestamp).with_context(|| "db error")?;
-        self.0.insert(guid, bytes).with_context(|| "db error")?;
-        Ok(())
-    }
-}
-
-struct DisbahnClient {
+pub struct DisbahnClient {
+    database: Database,
     webhook: Webhook,
     http: Http,
     rss_url: String,
-    known_guids: RefreshDb,
 }
 
 impl DisbahnClient {
-    fn new(webhook: Webhook, http: Http, rss_url: String, known_guids: RefreshDb) -> Self {
+    pub fn new(database: Database, webhook: Webhook, http: Http, rss_url: String) -> Self {
         Self {
+            database,
             webhook,
             http,
             rss_url,
-            known_guids,
         }
     }
 
@@ -93,7 +69,7 @@ impl DisbahnClient {
         }
     }
 
-    fn item_to_embed(item: &rss::Item, is_update: bool) -> anyhow::Result<Value> {
+    fn item_to_embed(item: &rss::Item) -> anyhow::Result<Value> {
         const COLOUR: u32 = 0x008d4f;
         const FOOTER_ICON_URL: &str = "https://www.zuginfo.nrw/img/customer/apple-touch-icon.png";
 
@@ -135,12 +111,9 @@ impl DisbahnClient {
 
         let pub_timestamp = pub_datetime.to_rfc3339_opts(chrono::SecondsFormat::Secs, true);
 
-        let embed = Embed::fake(|e| {
-            e.title(if is_update {
-                Cow::Owned(format!("UPDATE: {title}"))
-            } else {
-                Cow::Borrowed(title)
-            })
+        let embed =
+            Embed::fake(|e| {
+                e.title(title)
             .url(link)
             .thumbnail(icon_url)
             .colour(COLOUR)
@@ -153,12 +126,14 @@ impl DisbahnClient {
                 f.text("Quelle: https://zuginfo.nrw/ \u{2013} Alle Angaben ohne Gewehr \u{1F52B}")
                     .icon_url(FOOTER_ICON_URL)
             })
-        });
+            });
 
         Ok(embed)
     }
 
-    async fn refresh(&mut self) -> anyhow::Result<()> {
+    pub async fn refresh(&mut self) -> anyhow::Result<()> {
+        use crate::database::schema::posts::{self, dsl};
+
         debug!("Refreshing RSS feed ...");
         let channel = Self::get_rss_channel(&self.rss_url)
             .await
@@ -177,53 +152,54 @@ impl DisbahnClient {
                 .naive_utc()
                 .and_utc();
 
-            let is_update;
-            if let Some(last_pub_datetime) = self.known_guids.get(guid)? {
-                if last_pub_datetime < pub_datetime {
-                    is_update = true;
+            let existing_post: Option<Post> = posts
+                .filter(dsl::webhook_id.eq(i64::from_le_bytes(self.webhook.id.0.to_le_bytes())))
+                .filter(dsl::announcement_id.eq(guid))
+                .first(self.database.conn())
+                .optional()
+                .with_context(|| "Error loading posts from database")?;
+
+            if let Some(existing_post) = existing_post {
+                if existing_post.last_updated().and_utc() < pub_datetime {
                     info!("Updated item: {guid}");
-                } else {
-                    continue;
+                    let embed = Self::item_to_embed(item)?;
+                    self.webhook
+                        .edit_message(&self.http, existing_post.message_id(), |w| {
+                            w.embeds(vec![embed])
+                        })
+                        .await
+                        .with_context(|| "Failed to edit message")?;
+
+                    diesel::update(
+                        posts.find((guid, i64::from_le_bytes(self.webhook.id.0.to_le_bytes()))),
+                    )
+                    .set(dsl::last_updated.eq(pub_datetime.naive_utc()))
+                    .execute(self.database.conn())
+                    .with_context(|| "Error updating post in database")?;
                 }
             } else {
-                is_update = false;
                 info!("New item: {guid}");
-            }
+                let embed = Self::item_to_embed(item)?;
+                let message = self
+                    .webhook
+                    .execute(&self.http, true, |w| w.embeds(vec![embed]))
+                    .await
+                    .with_context(|| "Failed to send message")?
+                    .with_context(|| "Discord did not return a message id")?;
 
-            let embed = Self::item_to_embed(item, is_update)?;
-            self.webhook
-                .execute(&self.http, false, |w| w.embeds(vec![embed]))
-                .await
-                .with_context(|| "Failed to execute webhook")?;
-            self.known_guids
-                .insert(guid.to_string(), pub_datetime)
-                .with_context(|| "Failed to write to database")?;
+                diesel::insert_into(posts::table)
+                    .values(NewPost::new(
+                        guid,
+                        self.webhook.id,
+                        message.id,
+                        pub_datetime.naive_utc(),
+                    ))
+                    .execute(self.database.conn())
+                    .with_context(|| "Error inserting new post into database")?;
+            }
         }
 
         debug!("Done.");
         Ok(())
     }
 }
-
-#[tokio::main]
-async fn main() -> anyhow::Result<()> {
-    dotenvy::dotenv()?;
-
-    env_logger::builder()
-        .filter_module(module_path!(), log::LevelFilter::Debug)
-        .init();
-
-    let webhook_url = env::var("WEBHOOK_URL")?;
-    let feed_url = env::var("FEED_URL")?;
-    let known_guids_db = env::var("KNOWN_GUIDS_DB")?;
-
-    let known_guids_db =
-        RefreshDb(sled::open(known_guids_db).with_context(|| "unable to open database")?);
-
-    let http = Http::new("");
-    let webhook = http.get_webhook_from_url(&webhook_url).await.unwrap();
-
-    let mut disbahn_client = DisbahnClient::new(webhook, http, feed_url, known_guids_db);
-
-    disbahn_client.refresh().await
-}