Add repository commands for handling votes

.gitignore

@@ -1 +1,2 @@
 /target
+.env

Cargo.lock

@@ -17,6 +17,21 @@ version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
 
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.102"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
+
 [[package]]
 name = "atoi"
 version = "2.0.0"
@@ -120,6 +135,12 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -132,12 +153,35 @@ version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
+[[package]]
+name = "cc"
+version = "1.2.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a0dd1ca384932ff3641c8718a02769f1698e7563dc6974ffd03346116310423"
+dependencies = [
+ "find-msvc-tools",
+ "shlex",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "chrono"
+version = "0.4.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c673075a2e0e5f4a1dde27ce9dee1ea4558c7ffe648f576438a20ca1d2acc4b0"
+dependencies = [
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-link",
+]
+
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -153,6 +197,12 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.17"
@@ -289,6 +339,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "find-msvc-tools"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
+
 [[package]]
 name = "flume"
 version = "0.11.1"
@@ -407,6 +463,19 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0de51e6874e94e7bf76d726fc5d13ba782deca734ff60d5bb2fb2607c7406555"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasip2",
+ "wasip3",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.15.5"
@@ -553,6 +622,30 @@ dependencies = [
  "tower-service",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.65"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e31bc9ad994ba00e440a8aa5c9ef0ec67d5cb5e5cb0cc7f8b744a35b389cc470"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "log",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "icu_collections"
 version = "2.1.1"
@@ -634,6 +727,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "id-arena"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
+
 [[package]]
 name = "idna"
 version = "1.1.0"
@@ -663,6 +762,8 @@ checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
 dependencies = [
  "equivalent",
  "hashbrown 0.16.1",
+ "serde",
+ "serde_core",
 ]
 
 [[package]]
@@ -671,6 +772,16 @@ version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
 
+[[package]]
+name = "js-sys"
+version = "0.3.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b49715b7073f385ba4bc528e5747d02e66cb39c6146efb66b781f131f0fb399c"
+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -680,6 +791,12 @@ dependencies = [
  "spin",
 ]
 
+[[package]]
+name = "leb128fmt"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
+
 [[package]]
 name = "libc"
 version = "0.2.183"
@@ -951,6 +1068,16 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "prettyplease"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
+dependencies = [
+ "proc-macro2",
+ "syn",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.106"
@@ -969,6 +1096,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -996,7 +1129,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.17",
 ]
 
 [[package]]
@@ -1054,6 +1187,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
+
 [[package]]
 name = "ryu"
 version = "1.0.23"
@@ -1066,6 +1205,12 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "semver"
+version = "1.0.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
+
 [[package]]
 name = "serde"
 version = "1.0.228"
@@ -1163,6 +1308,12 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.8"
@@ -1248,6 +1399,7 @@ checksum = "ee6798b1838b6a0f69c007c133b8df5866302197e404e8b6ee8ed3e3a5e68dc6"
 dependencies = [
  "base64",
  "bytes",
+ "chrono",
  "crc",
  "crossbeam-queue",
  "either",
@@ -1272,6 +1424,7 @@ dependencies = [
  "tokio-stream",
  "tracing",
  "url",
+ "uuid",
 ]
 
 [[package]]
@@ -1323,6 +1476,7 @@ dependencies = [
  "bitflags",
  "byteorder",
  "bytes",
+ "chrono",
  "crc",
  "digest",
  "dotenvy",
@@ -1351,6 +1505,7 @@ dependencies = [
  "stringprep",
  "thiserror",
  "tracing",
+ "uuid",
  "whoami",
 ]
 
@@ -1364,6 +1519,7 @@ dependencies = [
  "base64",
  "bitflags",
  "byteorder",
+ "chrono",
  "crc",
  "dotenvy",
  "etcetera",
@@ -1388,6 +1544,7 @@ dependencies = [
  "stringprep",
  "thiserror",
  "tracing",
+ "uuid",
  "whoami",
 ]
 
@@ -1398,6 +1555,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2d12fe70b2c1b4401038055f90f151b78208de1f9f89a7dbfd41587a10c3eea"
 dependencies = [
  "atoi",
+ "chrono",
  "flume",
  "futures-channel",
  "futures-core",
@@ -1413,6 +1571,7 @@ dependencies = [
  "thiserror",
  "tracing",
  "url",
+ "uuid",
 ]
 
 [[package]]
@@ -1698,11 +1857,19 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7df058c713841ad818f1dc5d3fd88063241cc61f49f5fbea4b951e8cf5a8d71d"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
+
 [[package]]
 name = "uprs"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "axum",
+ "chrono",
  "serde",
  "sqlx",
  "tokio",
@@ -1710,6 +1877,7 @@ dependencies = [
  "tower-http",
  "tracing",
  "tracing-subscriber",
+ "uuid",
 ]
 
 [[package]]
@@ -1730,6 +1898,17 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
 
+[[package]]
+name = "uuid"
+version = "1.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a68d3c8f01c0cfa54a75291d83601161799e4a89a39e0929f4b0354d88757a37"
+dependencies = [
+ "getrandom 0.4.2",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.1"
@@ -1754,12 +1933,109 @@ version = "0.11.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
+[[package]]
+name = "wasip2"
+version = "1.0.2+wasi-0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
+dependencies = [
+ "wit-bindgen",
+]
+
+[[package]]
+name = "wasip3"
+version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
+dependencies = [
+ "wit-bindgen",
+]
+
 [[package]]
 name = "wasite"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6532f9a5c1ece3798cb1c2cfdba640b9b3ba884f5db45973a6f442510a87d38e"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18a2d50fcf105fb33bb15f00e7a77b772945a2ee45dcf454961fd843e74c18e6"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03ce4caeaac547cdf713d280eda22a730824dd11e6b8c3ca9e42247b25c631e3"
+dependencies = [
+ "bumpalo",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75a326b8c223ee17883a4251907455a2431acc2791c98c26279376490c378c16"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "wasm-encoder"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
+dependencies = [
+ "leb128fmt",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasm-metadata"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
+dependencies = [
+ "anyhow",
+ "indexmap",
+ "wasm-encoder",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasmparser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+dependencies = [
+ "bitflags",
+ "hashbrown 0.15.5",
+ "indexmap",
+ "semver",
+]
+
 [[package]]
 name = "whoami"
 version = "1.6.1"
@@ -1770,12 +2046,65 @@ dependencies = [
  "wasite",
 ]
 
+[[package]]
+name = "windows-core"
+version = "0.62.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8e83a14d34d0623b51dce9581199302a221863196a1dde71a7663a4c2be9deb"
+dependencies = [
+ "windows-implement",
+ "windows-interface",
+ "windows-link",
+ "windows-result",
+ "windows-strings",
+]
+
+[[package]]
+name = "windows-implement"
+version = "0.60.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "windows-interface"
+version = "0.59.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "windows-link"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
+[[package]]
+name = "windows-result"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7781fa89eaf60850ac3d2da7af8e5242a5ea78d1a11c49bf2910bb5a73853eb5"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "windows-strings"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7837d08f69c77cf6b07689544538e017c1bfcf57e34b4c0ff58e6c2cd3b37091"
+dependencies = [
+ "windows-link",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -1851,6 +2180,94 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "wit-bindgen"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
+dependencies = [
+ "wit-bindgen-rust-macro",
+]
+
+[[package]]
+name = "wit-bindgen-core"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
+dependencies = [
+ "anyhow",
+ "heck",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-bindgen-rust"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
+dependencies = [
+ "anyhow",
+ "heck",
+ "indexmap",
+ "prettyplease",
+ "syn",
+ "wasm-metadata",
+ "wit-bindgen-core",
+ "wit-component",
+]
+
+[[package]]
+name = "wit-bindgen-rust-macro"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
+dependencies = [
+ "anyhow",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wit-bindgen-core",
+ "wit-bindgen-rust",
+]
+
+[[package]]
+name = "wit-component"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+dependencies = [
+ "anyhow",
+ "bitflags",
+ "indexmap",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-parser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+ "wasmparser",
+]
+
 [[package]]
 name = "writeable"
 version = "0.6.2"

Cargo.toml

@@ -4,11 +4,20 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+anyhow = "1"
 axum = "0.8"
+chrono = "0.4.44"
 serde = { version = "1", features = ["derive"] }
-sqlx = { version = "0.8.6", features = ["runtime-tokio", "postgres", "macros"] }
+sqlx = { version = "0.8.6", features = [
+    "runtime-tokio",
+    "postgres",
+    "macros",
+    "uuid",
+    "chrono",
+] }
 tokio = { version = "1", features = ["full"] }
 tower = "0.5"
 tower-http = { version = "0.6", features = ["trace"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+uuid = { version = "1.22.0", features = ["v4"] }

db/migrations/001_create_votes.sql

@@ -0,0 +1,8 @@
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+CREATE TABLE IF NOT EXISTS votes (
+    slug text not null,
+    voter_id uuid not null,
+    created_at timestamptz NOT NULL DEFAULT timezone('utc'::text, now()),
+    primary key (slug, voter_id)
+);

docker-compose.yml

@@ -0,0 +1,16 @@
+services:
+  db:
+    image: postgres:16
+    container_name: uprs_db
+    restart: always
+    environment:
+      POSTGRES_USER: uprs
+      POSTGRES_PASSWORD: password123
+      POSTGRES_DB: uprs
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+      - ./db/migrations:/docker-entrypoint-initdb.d # run initial schema
+    ports:
+      - "5432:5432"
+volumes:
+  pgdata:

src/lib.rs

@@ -1,6 +1,7 @@
 pub mod env;
 pub mod routes;
 pub mod state;
+pub mod test_helpers;
 pub mod votes;
 
 use axum::Router;

src/test_helpers.rs

@@ -0,0 +1,16 @@
+#[cfg(test)]
+pub mod db {
+    use sqlx::PgPool;
+
+    const DEFAULT_CONNECTION_STRING: &str =
+        "postgres://uprs:password123@localhost:5432/uprs";
+
+    pub async fn test_pool() -> PgPool {
+        let conn = std::env::var("POSTGRES_CONNECTION_STRING")
+            .unwrap_or_else(|_| DEFAULT_CONNECTION_STRING.to_string());
+
+        PgPool::connect(&conn)
+            .await
+            .expect("failed to connect to test database")
+    }
+}

src/votes/model.rs

@@ -1 +1,18 @@
-pub struct Vote {}
+use chrono::{DateTime, Utc};
+use sqlx::prelude::FromRow;
+use uuid::Uuid;
+
+/// Struct representing a single vote (row) in the votes table
+#[derive(Debug, FromRow)]
+pub struct Vote {
+    pub slug: String,
+    pub voter_id: Uuid,
+    pub created_at: DateTime<Utc>,
+}
+
+/// Struct representing the best slug posts
+#[derive(Debug, FromRow)]
+pub struct BestSlugs {
+    pub slug: String,
+    pub vote_count: i64,
+}

src/votes/repository.rs

@@ -1,3 +1,161 @@
-use sqlx::PgPool;
+use anyhow::Result;
+use sqlx::{PgPool, query, query_as, query_scalar};
+use uuid::Uuid;
+
+use crate::votes::model::BestSlugs;
 
 use super::model::Vote;
+
+pub async fn insert_new_vote(vote: &Vote, db: &PgPool) -> Result<()> {
+    query("insert into votes (slug, voter_id) values ($1, $2)")
+        .bind(vote.slug.clone())
+        .bind(vote.voter_id)
+        .execute(db)
+        .await?;
+    Ok(())
+}
+
+pub async fn get_vote_count_for_slug(slug: &str, db: &PgPool) -> Result<i64> {
+    let count: i64 = query_scalar("select count(*) from votes where slug=$1")
+        .bind(slug)
+        .fetch_one(db)
+        .await?;
+    Ok(count)
+}
+
+pub async fn get_top_n_slugs(n: i64, db: &PgPool) -> Result<Vec<BestSlugs>> {
+    if n > 0 {
+        let top_slugs = query_as::<_, BestSlugs>(
+            r#"select slug, count(*) AS vote_count
+               from votes
+               group by slug
+               order by vote_count desc
+               limit $1
+            "#,
+        )
+        .bind(n)
+        .fetch_all(db)
+        .await?;
+        Ok(top_slugs)
+    } else {
+        Ok(vec![])
+    }
+}
+
+pub async fn delete_vote(slug: &str, voter_id: &Uuid, db: &PgPool) -> Result<()> {
+    query("delete from votes where slug=$1 and voter_id=$2")
+        .bind(slug)
+        .bind(voter_id)
+        .execute(db)
+        .await?;
+    Ok(())
+}
+
+#[cfg(test)]
+mod postgres_tests {
+    use sqlx::PgPool;
+    use uuid::Uuid;
+
+    use crate::{
+        test_helpers::db::test_pool,
+        votes::{
+            model::Vote,
+            repository::{delete_vote, get_top_n_slugs, get_vote_count_for_slug, insert_new_vote},
+        },
+    };
+
+    async fn cleanup(db: &PgPool) {
+        for vote in test_votes() {
+            delete_vote(&vote.slug, &vote.voter_id, db).await.unwrap()
+        }
+    }
+
+    fn test_votes() -> [Vote; 9] {
+        [
+            Vote {
+                slug: "blog_post1".into(),
+                voter_id: Uuid::from_u128(0x1),
+                created_at: chrono::Utc::now(),
+            },
+            Vote {
+                slug: "blog_post1".into(),
+                voter_id: Uuid::from_u128(0x2),
+                created_at: chrono::Utc::now(),
+            },
+            Vote {
+                slug: "blog_post2".into(),
+                voter_id: Uuid::from_u128(0x3),
+                created_at: chrono::Utc::now(),
+            },
+            Vote {
+                slug: "blog_post2".into(),
+                voter_id: Uuid::from_u128(0x4),
+                created_at: chrono::Utc::now(),
+            },
+            Vote {
+                slug: "blog_post3".into(),
+                voter_id: Uuid::from_u128(0x5),
+                created_at: chrono::Utc::now(),
+            },
+            Vote {
+                slug: "blog_post3".into(),
+                voter_id: Uuid::from_u128(0x6),
+                created_at: chrono::Utc::now(),
+            },
+            Vote {
+                slug: "blog_post1".into(),
+                voter_id: Uuid::from_u128(0x7),
+                created_at: chrono::Utc::now(),
+            },
+            Vote {
+                slug: "blog_post1".into(),
+                voter_id: Uuid::from_u128(0x8),
+                created_at: chrono::Utc::now(),
+            },
+            Vote {
+                slug: "blog_post3".into(),
+                voter_id: Uuid::from_u128(0x9),
+                created_at: chrono::Utc::now(),
+            },
+        ]
+    }
+
+    #[tokio::test]
+    #[ignore]
+    pub async fn postgres_tests() {
+        let db = test_pool().await;
+        cleanup(&db).await;
+        let votes = test_votes();
+
+        for vote in votes.iter() {
+            insert_new_vote(vote, &db)
+                .await
+                .expect("Insertions to db failed");
+        }
+
+        assert_eq!(get_vote_count_for_slug("blog_post1", &db).await.unwrap(), 4);
+        assert_eq!(get_vote_count_for_slug("blog_post2", &db).await.unwrap(), 2);
+        assert_eq!(get_vote_count_for_slug("blog_post3", &db).await.unwrap(), 3);
+
+        let top_2 = get_top_n_slugs(2, &db).await.unwrap();
+        assert_eq!(top_2[0].slug, "blog_post1");
+        assert_eq!(top_2[1].slug, "blog_post3");
+
+        delete_vote(&votes[4].slug, &votes[4].voter_id, &db)
+            .await
+            .unwrap();
+        delete_vote(&votes[5].slug, &votes[5].voter_id, &db)
+            .await
+            .unwrap();
+
+        assert_eq!(get_vote_count_for_slug("blog_post1", &db).await.unwrap(), 4);
+        assert_eq!(get_vote_count_for_slug("blog_post2", &db).await.unwrap(), 2);
+        assert_eq!(get_vote_count_for_slug("blog_post3", &db).await.unwrap(), 1);
+
+        let top_2 = get_top_n_slugs(2, &db).await.unwrap();
+        assert_eq!(top_2[0].slug, "blog_post1");
+        assert_eq!(top_2[1].slug, "blog_post2");
+
+        cleanup(&db).await;
+    }
+}