Add copy message

Cargo.lock

@@ -79,19 +79,43 @@ version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f538837af36e6f6a9be0faa67f9a314f8119e4e4b5867c6ab40ed60360142519"
 
+[[package]]
+name = "aquamarine"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a941c39708478e8eea39243b5983f1c42d2717b3620ee91f4a52115fd02ac43f"
+dependencies = [
+ "itertools 0.9.0",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "ascii"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eab1c04a571841102f5345a8fc0f6bb3d31c315dec879b5c6e42e40ce7ffa34e"
 
+[[package]]
+name = "async-lock"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d034b430882f8381900d3fe6f0aaa3ad94f2cb4ac519b429692a1bc2dda4ae7b"
+dependencies = [
+ "event-listener 4.0.3",
+ "event-listener-strategy",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "async-mutex"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "479db852db25d9dbf6204e6cb6253698f175c15726470f78af0d918e99d6156e"
 dependencies = [
- "event-listener",
+ "event-listener 2.5.3",
 ]
 
 [[package]]
@@ -142,6 +166,38 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1fdabc7756949593fe60f30ec81974b613357de856987752631dea1e3394c80"
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core 0.3.4",
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-util",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "hyper 0.14.28",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "serde_json",
+ "serde_path_to_error",
+ "serde_urlencoded",
+ "sync_wrapper 0.1.2",
+ "tokio",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "axum"
 version = "0.7.5"
@@ -149,7 +205,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a6c9af12842a67734c9a2e355436e5d03b22383ed60cf13cd0c18fbfe3dcbcf"
 dependencies = [
  "async-trait",
- "axum-core",
+ "axum-core 0.4.3",
  "bytes",
  "futures-util",
  "http 1.1.0",
@@ -176,6 +232,23 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "axum-core"
 version = "0.4.3"
@@ -203,7 +276,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b683cbc43010e9a3d72c2f31ca464155ff4f95819e88a32924b0f47a43898978"
 dependencies = [
- "axum",
+ "axum 0.7.5",
  "bytes",
  "futures",
  "futures-core",
@@ -216,7 +289,7 @@ dependencies = [
  "pin-project",
  "tokio",
  "tower",
- "tower-http",
+ "tower-http 0.5.2",
 ]
 
 [[package]]
@@ -405,6 +478,15 @@ dependencies = [
  "unreachable",
 ]
 
+[[package]]
+name = "concurrent-queue"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "connection-string"
 version = "0.1.13"
@@ -414,6 +496,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "convert_case"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
+
 [[package]]
 name = "convert_case"
 version = "0.5.0"
@@ -539,6 +627,41 @@ dependencies = [
  "sha3",
 ]
 
+[[package]]
+name = "darling"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a01d95850c592940db9b8194bc39f4bc0e89dee5c4265e4b1807c34a9aba453c"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "859d65a907b6852c9361e3185c862aae7fafd2887876799fa55f5f99dc40d610"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c972679f83bdf9c42bd905396b6c3588a843a17f0f16dfcfa3e2c5d57441835"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "datamodel-renderer"
 version = "0.1.0"
@@ -569,6 +692,19 @@ dependencies = [
  "powerfmt",
 ]
 
+[[package]]
+name = "derive_more"
+version = "0.99.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321"
+dependencies = [
+ "convert_case 0.4.0",
+ "proc-macro2",
+ "quote",
+ "rustc_version",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "diagnostics"
 version = "0.1.0"
@@ -658,6 +794,15 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
+[[package]]
+name = "dptree"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d81175dab5ec79c30e0576df2ed2c244e1721720c302000bb321b107e82e265c"
+dependencies = [
+ "futures",
+]
+
 [[package]]
 name = "either"
 version = "1.11.0"
@@ -705,6 +850,16 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "erasable"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f11890ce181d47a64e5d1eb4b6caba0e7bae911a356723740d058a5d0340b7d"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
 [[package]]
 name = "errno"
 version = "0.3.8"
@@ -721,6 +876,38 @@ version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
+[[package]]
+name = "event-listener"
+version = "4.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67b215c49b2b248c855fb73579eb1f4f26c38ffdc12973e20e07b91d78d5646e"
+dependencies = [
+ "concurrent-queue",
+ "parking",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "event-listener"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d9944b8ca13534cdfb2800775f8dd4902ff3fc75a50101466decadfdf322a24"
+dependencies = [
+ "concurrent-queue",
+ "parking",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "event-listener-strategy"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "958e4d70b6d5e81971bebec42271ec641e7ff4e170a6fa605f2b8a8b65cb97d3"
+dependencies = [
+ "event-listener 4.0.3",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "failure"
 version = "0.1.8"
@@ -1036,6 +1223,12 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.9"
@@ -1135,6 +1328,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "http-range-header"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "add0ab9360ddbd88cfeb3bd9574a1d85cfdfa14db10b3e21d3700dbc4328758f"
+
 [[package]]
 name = "httparse"
 version = "1.8.0"
@@ -1264,6 +1463,12 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
 [[package]]
 name = "idna"
 version = "0.5.0"
@@ -1331,6 +1536,15 @@ version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
 
+[[package]]
+name = "itertools"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.5"
@@ -1370,7 +1584,7 @@ version = "0.1.0"
 source = "git+https://github.com/Brendonovich/prisma-engines?tag=pcr-0.6.10#c4aeef82dbae310e974d6122160c7e3b5fb6df53"
 dependencies = [
  "backtrace",
- "heck",
+ "heck 0.3.3",
  "serde",
  "toml",
 ]
@@ -1787,6 +2001,30 @@ dependencies = [
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "moka"
+version = "0.12.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e0d88686dc561d743b40de8269b26eaf0dc58781bde087b0984646602021d08"
+dependencies = [
+ "async-lock",
+ "async-trait",
+ "crossbeam-channel",
+ "crossbeam-epoch",
+ "crossbeam-utils",
+ "event-listener 5.3.0",
+ "futures-util",
+ "once_cell",
+ "parking_lot 0.12.1",
+ "quanta 0.12.3",
+ "rustc_version",
+ "smallvec",
+ "tagptr",
+ "thiserror",
+ "triomphe",
+ "uuid",
+]
+
 [[package]]
 name = "native-tls"
 version = "0.2.11"
@@ -1805,6 +2043,12 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "never"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c96aba5aa877601bb3f6dd6a63a969e1f82e60646e81e71b14496995e9853c91"
+
 [[package]]
 name = "nibble_vec"
 version = "0.1.0"
@@ -2042,6 +2286,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
 
+[[package]]
+name = "parking"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb813b8af86854136c6922af0598d719255ecb2179515e6e7730d468f05c9cae"
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -2406,6 +2656,30 @@ dependencies = [
  "uuid",
 ]
 
+[[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 = "1.0.81"
@@ -2701,6 +2975,15 @@ dependencies = [
  "bitflags 2.5.0",
 ]
 
+[[package]]
+name = "rc-box"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0690759eabf094030c2cdabc25ade1395bac02210d920d655053c1d49583fd8"
+dependencies = [
+ "erasable",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.16"
@@ -2816,6 +3099,7 @@ dependencies = [
  "js-sys",
  "log",
  "mime",
+ "mime_guess",
  "native-tls",
  "once_cell",
  "percent-encoding",
@@ -2828,10 +3112,12 @@ dependencies = [
  "system-configuration",
  "tokio",
  "tokio-native-tls 0.3.1",
+ "tokio-util",
  "tower-service",
  "url",
  "wasm-bindgen",
  "wasm-bindgen-futures",
+ "wasm-streams",
  "web-sys",
  "winreg 0.50.0",
 ]
@@ -3219,6 +3505,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_with_macros"
+version = "1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e182d6ec6f05393cc0e5ed1bf81ad6db3a8feedf8ee515ecdd369809bcce8082"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "sha2"
 version = "0.9.9"
@@ -3454,6 +3752,12 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "subtle"
 version = "2.5.0"
@@ -3527,12 +3831,30 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "tagptr"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b2093cf4c8eb1e67749a6762251bc9cd836b6fc171623bd0a9d324d37af2417"
+
+[[package]]
+name = "take_mut"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
+
+[[package]]
+name = "takecell"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20f34339676cdcab560c9a82300c4c2581f68b9369aedf0fae86f2ff9565ff3e"
+
 [[package]]
 name = "telegram_files_cache_server"
 version = "0.1.0"
 dependencies = [
  "async-stream",
- "axum",
+ "axum 0.7.5",
  "axum-prometheus",
  "base64 0.22.0",
  "bytes",
@@ -3540,20 +3862,96 @@ dependencies = [
  "futures",
  "futures-core",
  "minio-rsc",
+ "moka",
  "once_cell",
  "prisma-client-rust",
  "reqwest 0.12.4",
  "sentry",
  "serde",
  "serde_json",
+ "teloxide",
  "tempfile",
  "tokio",
  "tokio-util",
- "tower-http",
+ "tower-http 0.5.2",
  "tracing",
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "teloxide"
+version = "0.12.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c63345cf32a8850ebddcdd769dc2d5193d5e231262d5dada264b79da01a664da"
+dependencies = [
+ "aquamarine",
+ "axum 0.6.20",
+ "bytes",
+ "derive_more",
+ "dptree",
+ "futures",
+ "log",
+ "mime",
+ "pin-project",
+ "rand 0.8.5",
+ "serde",
+ "serde_json",
+ "serde_with_macros",
+ "teloxide-core",
+ "teloxide-macros",
+ "thiserror",
+ "tokio",
+ "tokio-stream",
+ "tokio-util",
+ "tower",
+ "tower-http 0.3.5",
+ "url",
+]
+
+[[package]]
+name = "teloxide-core"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "303db260110c238e3af77bb9dff18bf7a5b5196f783059b0852aab75f91d5a16"
+dependencies = [
+ "bitflags 1.3.2",
+ "bytes",
+ "chrono",
+ "derive_more",
+ "either",
+ "futures",
+ "log",
+ "mime",
+ "never",
+ "once_cell",
+ "pin-project",
+ "rc-box",
+ "reqwest 0.11.27",
+ "serde",
+ "serde_json",
+ "serde_with_macros",
+ "take_mut",
+ "takecell",
+ "thiserror",
+ "tokio",
+ "tokio-util",
+ "url",
+ "uuid",
+ "vecrem",
+]
+
+[[package]]
+name = "teloxide-macros"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f1d653b093dba5e44cada57a516f572167df37b8a619443e59c8c517bb6d804"
+dependencies = [
+ "heck 0.4.1",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "tempfile"
 version = "3.10.1"
@@ -3714,6 +4112,17 @@ dependencies = [
  "tokio-util",
 ]
 
+[[package]]
+name = "tokio-stream"
+version = "0.1.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "267ac89e0bec6e691e5813911606935d77c476ff49024f98abcea3e7b15e37af"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.10"
@@ -3754,6 +4163,25 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tower-http"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f873044bf02dd1e8239e9c1293ea39dad76dc594ec16185d0a1bf31d8dc8d858"
+dependencies = [
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "http-range-header",
+ "pin-project-lite",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tower-http"
 version = "0.5.2"
@@ -3890,6 +4318,12 @@ dependencies = [
  "tracing-log 0.2.0",
 ]
 
+[[package]]
+name = "triomphe"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "859eb650cfee7434994602c3a68b25d77ad9e68c8a6cd491616ef86661382eb3"
+
 [[package]]
 name = "try-lock"
 version = "0.2.5"
@@ -4051,6 +4485,12 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "vecrem"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4808a28789238714a29163e4cb8031f0f050dd670f7a0cc74b6d80f3ce343fa"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"

Cargo.toml

@@ -3,14 +3,13 @@ name = "telegram_files_cache_server"
 version = "0.1.0"
 edition = "2021"
 
+
 [workspace]
 members = [
     "prisma-cli"
 ]
 
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 once_cell = "1.19.0"
 
@@ -39,3 +38,7 @@ async-stream = "0.3.5"
 minio-rsc = "0.2.2"
 tempfile = "3.10.1"
 bytes = "1.6.0"
+
+teloxide = { version = "0.12.2", features = ["macros", "webhooks-axum", "cache-me", "throttle"] }
+
+moka = { version = "0.12.7", features = ["future"] }

src/config.rs

@@ -24,6 +24,9 @@ pub struct Config {
     pub files_api_key: String,
     pub files_url: String,
 
+    pub bot_tokens: Vec<String>,
+    pub temp_channel_username: String,
+
     pub sentry_dsn: String,
 }
 
@@ -57,6 +60,9 @@ impl Config {
             files_api_key: get_env("FILES_SERVER_API_KEY"),
             files_url: get_env("FILES_SERVER_URL"),
 
+            bot_tokens: serde_json::from_str(&get_env("BOT_TOKENS")).unwrap(),
+            temp_channel_username: get_env("TEMP_CHANNEL_USERNAME"),
+
             sentry_dsn: get_env("SENTRY_DSN"),
         }
     }

src/services/bots.rs

@@ -0,0 +1,32 @@
+use std::sync::{
+    atomic::{AtomicUsize, Ordering},
+    Arc,
+};
+
+use once_cell::sync::Lazy;
+
+use teloxide::Bot;
+
+use crate::config;
+
+pub struct RoundRobinBot {
+    bot_tokens: Arc<Vec<String>>,
+    current_index: AtomicUsize,
+}
+
+impl RoundRobinBot {
+    pub fn new(bot_tokens: Vec<String>) -> Self {
+        RoundRobinBot {
+            bot_tokens: Arc::new(bot_tokens),
+            current_index: AtomicUsize::new(0),
+        }
+    }
+
+    pub fn get_bot(&self) -> Bot {
+        let index = self.current_index.fetch_add(1, Ordering::Relaxed) % self.bot_tokens.len();
+        Bot::new(self.bot_tokens[index].clone())
+    }
+}
+
+pub static ROUND_ROBIN_BOT: Lazy<RoundRobinBot> =
+    Lazy::new(|| RoundRobinBot::new(config::CONFIG.bot_tokens.clone()));

src/services/mod.rs

@@ -1,23 +1,59 @@
 pub mod book_library;
+pub mod bots;
 pub mod download_utils;
 pub mod downloader;
 pub mod minio;
 pub mod telegram_files;
 
 use chrono::Duration;
+use moka::future::Cache;
+use once_cell::sync::Lazy;
 use serde::Serialize;
+use teloxide::{
+    requests::Requester,
+    types::{ChatId, MessageId},
+};
 use tracing::log;
 
-use crate::{prisma::cached_file, views::Database};
+use crate::{
+    config::{self},
+    prisma::cached_file,
+    views::Database,
+};
 
 use self::{
     book_library::{get_book, get_books, types::BaseBook},
+    bots::ROUND_ROBIN_BOT,
     download_utils::{response_to_tempfile, DownloadResult},
     downloader::{download_from_downloader, get_filename, FilenameData},
     minio::upload_to_minio,
     telegram_files::{download_from_telegram_files, upload_to_telegram_files, UploadData},
 };
 
+#[derive(Serialize)]
+pub struct CacheData {
+    pub id: Option<i32>,
+    pub object_id: i32,
+    pub object_type: String,
+    pub message_id: i32,
+    pub chat_id: String,
+}
+
+pub static CHAT_DONATION_NOTIFICATIONS_CACHE: Lazy<Cache<i32, MessageId>> = Lazy::new(|| {
+    Cache::builder()
+        .time_to_idle(std::time::Duration::from_secs(16))
+        .max_capacity(4098)
+        .async_eviction_listener(|_data_id, message_id, _cause| {
+            Box::pin(async move {
+                let bot = ROUND_ROBIN_BOT.get_bot();
+                let _ = bot
+                    .delete_message(config::CONFIG.temp_channel_username.to_string(), message_id)
+                    .await;
+            })
+        })
+        .build()
+});
+
 pub async fn get_cached_file_or_cache(
     object_id: i32,
     object_type: String,
@@ -39,6 +75,53 @@ pub async fn get_cached_file_or_cache(
     }
 }
 
+pub async fn get_cached_file_copy(original: cached_file::Data, db: Database) -> CacheData {
+    let bot = ROUND_ROBIN_BOT.get_bot();
+
+    let message_id = match bot
+        .copy_message(
+            config::CONFIG.temp_channel_username.to_string(),
+            ChatId(original.chat_id),
+            MessageId(original.message_id.try_into().unwrap()),
+        )
+        .await
+    {
+        Ok(v) => v,
+        Err(_) => {
+            let _ = db
+                .cached_file()
+                .delete(cached_file::id::equals(original.id))
+                .exec()
+                .await;
+
+            let new_original =
+                get_cached_file_or_cache(original.object_id, original.object_type.clone(), db)
+                    .await
+                    .unwrap();
+
+            bot.copy_message(
+                config::CONFIG.temp_channel_username.to_string(),
+                ChatId(new_original.chat_id),
+                MessageId(new_original.message_id.try_into().unwrap()),
+            )
+            .await
+            .unwrap()
+        }
+    };
+
+    CHAT_DONATION_NOTIFICATIONS_CACHE
+        .insert(original.id, message_id)
+        .await;
+
+    CacheData {
+        id: None,
+        object_id: original.object_id,
+        object_type: original.object_type,
+        message_id: message_id.0,
+        chat_id: config::CONFIG.temp_channel_username.to_string(),
+    }
+}
+
 pub async fn cache_file(
     object_id: i32,
     object_type: String,

src/views.rs

@@ -1,6 +1,6 @@
 use axum::{
     body::Body,
-    extract::Path,
+    extract::{Path, Query},
     http::{self, header, Request, StatusCode},
     middleware::{self, Next},
     response::{AppendHeaders, IntoResponse, Response},
@@ -9,6 +9,7 @@ use axum::{
 };
 use axum_prometheus::PrometheusMetricLayer;
 use base64::{engine::general_purpose, Engine};
+use serde::Deserialize;
 use std::sync::Arc;
 use tokio_util::io::ReaderStream;
 use tower_http::trace::{self, TraceLayer};
@@ -17,13 +18,10 @@ use tracing::{log, Level};
 use crate::{
     config::CONFIG,
     db::get_prisma_client,
-    prisma::{
+    prisma::{cached_file, PrismaClient},
-        cached_file::{self},
-        PrismaClient,
-    },
     services::{
-        download_from_cache, download_utils::get_response_async_read, get_cached_file_or_cache,
+        download_from_cache, download_utils::get_response_async_read, get_cached_file_copy,
-        get_download_link, start_update_cache,
+        get_cached_file_or_cache, get_download_link, start_update_cache, CacheData,
     },
 };
 
@@ -31,14 +29,28 @@ pub type Database = Arc<PrismaClient>;
 
 //
 
+#[derive(Deserialize)]
+pub struct GetCachedFileQuery {
+    pub copy: bool,
+}
+
 async fn get_cached_file(
     Path((object_id, object_type)): Path<(i32, String)>,
+    Query(GetCachedFileQuery { copy }): Query<GetCachedFileQuery>,
     Extension(Ext { db, .. }): Extension<Ext>,
 ) -> impl IntoResponse {
-    match get_cached_file_or_cache(object_id, object_type, db).await {
+    let cached_file = match get_cached_file_or_cache(object_id, object_type, db.clone()).await {
-        Some(cached_file) => Json(cached_file).into_response(),
+        Some(cached_file) => cached_file,
-        None => StatusCode::NOT_FOUND.into_response(),
+        None => return StatusCode::NOT_FOUND.into_response(),
+    };
+
+    if !copy {
+        return Json(cached_file).into_response();
     }
+
+    let copy_file: CacheData = get_cached_file_copy(cached_file, db).await;
+
+    Json(copy_file).into_response()
 }
 
 async fn download_cached_file(