Better handling of events.

I am going to start parsing fields out of the json event objects, so it makes sense to give each event its own type to avoid the verbosity of parsing the values out of the json object every time they are needed.

Cargo.lock

@@ -22,6 +22,99 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "async-broadcast"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bbd92a9bd0e9c1298118ecf8a2f825e86b12c3ec9e411573e34aaf3a0c03cdd"
+dependencies = [
+ "easy-parallel",
+ "event-listener",
+ "futures-core",
+ "parking_lot 0.11.2",
+]
+
+[[package]]
+name = "async-channel"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2114d64672151c0c5eaa5e131ec84a74f06e1e559830dabba01ca30605d66319"
+dependencies = [
+ "concurrent-queue",
+ "event-listener",
+ "futures-core",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "871f9bb5e0a22eeb7e8cf16641feb87c9dc67032ccf8ff49e772eb9941d3a965"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "once_cell",
+ "slab",
+]
+
+[[package]]
+name = "async-io"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a811e6a479f2439f0c04038796b5cfb3d2ad56c230e0f2d3f7b04d68cfee607b"
+dependencies = [
+ "concurrent-queue",
+ "futures-lite",
+ "libc",
+ "log",
+ "once_cell",
+ "parking",
+ "polling",
+ "slab",
+ "socket2",
+ "waker-fn",
+ "winapi",
+]
+
+[[package]]
+name = "async-lock"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e97a171d191782fba31bb902b14ad94e24a68145032b7eedf871ab0bc0d077b6"
+dependencies = [
+ "event-listener",
+]
+
+[[package]]
+name = "async-recursion"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7d78656ba01f1b93024b7c3a0467f1608e4be67d725749fdcd7d2c7678fd7a2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-task"
+version = "4.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30696a84d817107fc028e049980e09d5e140e8da8f1caeb17e8e950658a3cea9"
+
+[[package]]
+name = "async-trait"
+version = "0.1.53"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed6aa3524a2dfcf9fe180c51eae2b58738348d819517ceadf95789c51fff7600"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "atoi"
 version = "0.4.0"
@@ -60,6 +153,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "block"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -87,6 +186,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
+[[package]]
+name = "cache-padded"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1db59621ec70f09c5e9b597b220c7a2b43611f4710dc03ceb8748637775692c"
+
 [[package]]
 name = "cc"
 version = "1.0.73"
@@ -99,6 +204,15 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "concurrent-queue"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30ed07550be01594c6026cff2a1d7fe9c8f683caa798e12b68694ac9e88286a3"
+dependencies = [
+ "cache-padded",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -159,6 +273,17 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -168,12 +293,39 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "dirs-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
 [[package]]
 name = "dotenv"
 version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
+[[package]]
+name = "easy-parallel"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6907e25393cdcc1f4f3f513d9aac1e840eb1cc341a0fccb01171f7d14d10b946"
+
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -189,6 +341,27 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "enumflags2"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e75d4cd21b95383444831539909fbb14b9dc3fdceb2a6f5d36577329a1f55ccb"
+dependencies = [
+ "enumflags2_derive",
+ "serde",
+]
+
+[[package]]
+name = "enumflags2_derive"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f58dc3c5e468259f19f2d46304a6b28f1c3d034442e14b322d2b850e36f6d5ae"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "env_logger"
 version = "0.7.1"
@@ -202,6 +375,12 @@ dependencies = [
  "termcolor",
 ]
 
+[[package]]
+name = "event-listener"
+version = "2.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77f3309417938f28bf8228fcff79a4a37103981e3e186d2ccd19c74b38f4eb71"
+
 [[package]]
 name = "fastrand"
 version = "1.7.0"
@@ -254,6 +433,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
 [[package]]
 name = "futures-channel"
 version = "0.3.21"
@@ -292,6 +477,27 @@ dependencies = [
  "parking_lot 0.11.2",
 ]
 
+[[package]]
+name = "futures-io"
+version = "0.3.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
+
+[[package]]
+name = "futures-lite"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7694489acd39452c77daa48516b894c153f192c3578d5a839b62c58099fcbf48"
+dependencies = [
+ "fastrand",
+ "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
+ "pin-project-lite",
+ "waker-fn",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.21"
@@ -344,6 +550,7 @@ name = "github_watcher"
 version = "0.1.0"
 dependencies = [
  "log",
+ "notify-rust",
  "pretty_env_logger",
  "reqwest",
  "serde_json",
@@ -594,6 +801,28 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "mac-notification-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "297c13fc8ff9fa8b2d0e53850f80e0aa962628e865d447031ce58cdb062e5b29"
+dependencies = [
+ "cc",
+ "dirs-next",
+ "objc-foundation",
+ "objc_id",
+ "time",
+]
+
+[[package]]
+name = "malloc_buf"
+version = "0.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62bb907fe88d54d8d9ce32a3cceab4218ed2f6b7d35617cafe9adf84e43919cb"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "matches"
 version = "0.1.9"
@@ -606,6 +835,15 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
+[[package]]
+name = "memoffset"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.16"
@@ -659,6 +897,19 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "nix"
+version = "0.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f866317acbd3a240710c63f065ffb1e4fd466259045ccb504130b7f668f35c6"
+dependencies = [
+ "bitflags",
+ "cc",
+ "cfg-if",
+ "libc",
+ "memoffset",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.1"
@@ -669,6 +920,20 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "notify-rust"
+version = "4.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a995a3d2834cefa389218e7a35156e8ce544bc95f836900da01ee0b26a07e9d4"
+dependencies = [
+ "mac-notification-sys",
+ "serde",
+ "winrt-notification",
+ "zbus",
+ "zvariant",
+ "zvariant_derive",
+]
+
 [[package]]
 name = "ntapi"
 version = "0.3.7"
@@ -697,6 +962,44 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_threads"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2819ce041d2ee131036f4fc9d6ae7ae125a3a40e97ba64d04fe799ad9dabbb44"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "objc"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "915b1b472bc21c53464d6c8461c9d3af805ba1ef837e1cac254428f4a77177b1"
+dependencies = [
+ "malloc_buf",
+]
+
+[[package]]
+name = "objc-foundation"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1add1b659e36c9607c7aab864a76c7a4c2760cd0cd2e120f3fb8b952c7e22bf9"
+dependencies = [
+ "block",
+ "objc",
+ "objc_id",
+]
+
+[[package]]
+name = "objc_id"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c92d4ddb4bd7b50d730c215ff871754d0da6b2178849f8a2a2ab69712d0c073b"
+dependencies = [
+ "objc",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.10.0"
@@ -742,6 +1045,22 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "ordered-stream"
+version = "0.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44630c059eacfd6e08bdaa51b1db2ce33119caa4ddc1235e923109aa5f25ccb1"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "parking"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "427c3892f9e783d91cc128285287e70a59e206ca452770ece88a76f7a3eddd72"
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -840,6 +1159,25 @@ version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
 
+[[package]]
+name = "polling"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "685404d509889fade3e86fe3a5803bca2ec09b0c0778d5ada6ec8bf7a8de5259"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "log",
+ "wepoll-ffi",
+ "winapi",
+]
+
+[[package]]
+name = "ppv-lite86"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
+
 [[package]]
 name = "pretty_env_logger"
 version = "0.4.0"
@@ -850,6 +1188,16 @@ dependencies = [
  "log",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e17d47ce914bf4de440332250b0edd23ce48c005f59fab39d3335866b114f11a"
+dependencies = [
+ "thiserror",
+ "toml",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.37"
@@ -874,6 +1222,73 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
+dependencies = [
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.3.1",
+ "rdrand",
+ "winapi",
+]
+
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core 0.6.3",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.3",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+dependencies = [
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
+
+[[package]]
+name = "rand_core"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "rdrand"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.13"
@@ -883,6 +1298,17 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
+dependencies = [
+ "getrandom",
+ "redox_syscall",
+ "thiserror",
+]
+
 [[package]]
 name = "regex"
 version = "1.5.5"
@@ -1033,6 +1459,20 @@ name = "serde"
 version = "1.0.136"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.136"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08597e7152fcd306f41838ed3e37be9eaeed2b61c42e2117266a554fab4662f9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
 
 [[package]]
 name = "serde_json"
@@ -1045,6 +1485,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2ad84e47328a31223de7fed7a4f5087f2d6ddfe586cf3ca25b7a165bc0a5aed"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -1057,6 +1508,21 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1da05c97445caa12d05e848c4a4fcbbea29e748ac28f7e80e9b010392063770"
+dependencies = [
+ "sha1_smol",
+]
+
+[[package]]
+name = "sha1_smol"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012"
+
 [[package]]
 name = "sha2"
 version = "0.9.9"
@@ -1211,6 +1677,12 @@ dependencies = [
  "tokio-rustls",
 ]
 
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "stringprep"
 version = "0.1.2"
@@ -1221,6 +1693,27 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "strum"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7ac893c7d471c8a21f31cfe213ec4f6d9afeed25537c772e08ef3f005f8729e"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "339f799d8b549e3744c7ac7feb216383e4005d94bdb22561b3ab8f3b808ae9fb"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.91"
@@ -1232,6 +1725,16 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "tempdir"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
+dependencies = [
+ "rand 0.4.6",
+ "remove_dir_all",
+]
+
 [[package]]
 name = "tempfile"
 version = "3.3.0"
@@ -1275,6 +1778,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2702e08a7a860f005826c6815dcac101b19b5eb330c27fe4a5928fec1d20ddd"
+dependencies = [
+ "libc",
+ "num_threads",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.5.1"
@@ -1367,6 +1880,15 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "toml"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.1"
@@ -1417,6 +1939,16 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
 
+[[package]]
+name = "uds_windows"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "486992108df0fe0160680af1941fe856c521be931d5a5ecccefe0de86dc47e4a"
+dependencies = [
+ "tempdir",
+ "winapi",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.7"
@@ -1480,6 +2012,12 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "waker-fn"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
+
 [[package]]
 name = "want"
 version = "0.3.0"
@@ -1597,6 +2135,15 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "wepoll-ffi"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d743fdedc5c64377b5fc2bc036b01c7fd642205a0d96356034ae3404d49eb7fb"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1628,6 +2175,18 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9f39345ae0c8ab072c0ac7fe8a8b411636aa34f89be19ddd0d9226544f13944"
+dependencies = [
+ "windows_i686_gnu 0.24.0",
+ "windows_i686_msvc 0.24.0",
+ "windows_x86_64_gnu 0.24.0",
+ "windows_x86_64_msvc 0.24.0",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.34.0"
@@ -1635,10 +2194,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5acdd78cb4ba54c0045ac14f62d8f94a03d10047904ae2a40afa1e99d8f70825"
 dependencies = [
  "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_msvc",
+ "windows_i686_gnu 0.34.0",
+ "windows_i686_msvc 0.34.0",
+ "windows_x86_64_gnu 0.34.0",
+ "windows_x86_64_msvc 0.34.0",
 ]
 
 [[package]]
@@ -1647,24 +2206,48 @@ version = "0.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17cffbe740121affb56fad0fc0e421804adf0ae00891205213b5cecd30db881d"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0866510a3eca9aed73a077490bbbf03e5eaac4e1fd70849d89539e5830501fd"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2564fde759adb79129d9b4f54be42b32c89970c18ebf93124ca8870a498688ed"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf0ffed56b7e9369a29078d2ab3aaeceea48eb58999d2cff3aa2494a275b95c6"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9cd9d32ba70453522332c14d38814bceeb747d80b3958676007acadd7e166956"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "384a173630588044205a2993b6864a2f56e5a8c1e7668c07b93ec18cf4888dc4"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cfce6deae227ee8d356d19effc141a509cc503dfd1f850622ec4b0f84428e1f4"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9bd8f062d8ca5446358159d79a90be12c543b3a965c847c8f3eedf14b321d399"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.34.0"
@@ -1679,3 +2262,108 @@ checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
 dependencies = [
  "winapi",
 ]
+
+[[package]]
+name = "winrt-notification"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "007a0353840b23e0c6dc73e5b962ff58ed7f6bc9ceff3ce7fe6fbad8d496edf4"
+dependencies = [
+ "strum",
+ "windows",
+ "xml-rs",
+]
+
+[[package]]
+name = "xml-rs"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3"
+
+[[package]]
+name = "zbus"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53819092b9db813b2c6168b097b4b13ad284d81c9f2b0165a0a1b190e505a1f3"
+dependencies = [
+ "async-broadcast",
+ "async-channel",
+ "async-executor",
+ "async-io",
+ "async-lock",
+ "async-recursion",
+ "async-task",
+ "async-trait",
+ "byteorder",
+ "derivative",
+ "enumflags2",
+ "event-listener",
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "hex",
+ "lazy_static",
+ "nix",
+ "once_cell",
+ "ordered-stream",
+ "rand 0.8.5",
+ "serde",
+ "serde_repr",
+ "sha1",
+ "static_assertions",
+ "uds_windows",
+ "winapi",
+ "zbus_macros",
+ "zbus_names",
+ "zvariant",
+]
+
+[[package]]
+name = "zbus_macros"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7174ebe6722c280d6d132d694bb5664ce50a788cb70eeb518e7fc1ca095a114"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn",
+]
+
+[[package]]
+name = "zbus_names"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45dfcdcf87b71dad505d30cc27b1b7b88a64b6d1c435648f48f9dbc1fdc4b7e1"
+dependencies = [
+ "serde",
+ "static_assertions",
+ "zvariant",
+]
+
+[[package]]
+name = "zvariant"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e18ba99d71e03af262953f476071607da0c44e225236cf9b5b9f7f11f1d0b6b0"
+dependencies = [
+ "byteorder",
+ "enumflags2",
+ "libc",
+ "serde",
+ "static_assertions",
+ "zvariant_derive",
+]
+
+[[package]]
+name = "zvariant_derive"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9042892ebdca35261951a83d17bcbfd4d3d528cb3bde828498a9b306b50d05c0"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+]

Cargo.toml

@@ -5,6 +5,7 @@ edition = "2021"
 
 [dependencies]
 log = "0.4.17"
+notify-rust = "4.5.8"
 pretty_env_logger = "0.4.0"
 reqwest = { version = "0.11.10", features = ["json"] }
 serde_json = "1.0.81"

src/githubctl/github_endpoint_watcher.rs

@@ -1,4 +1,6 @@
 use reqwest::header::HeaderValue;
+use reqwest::RequestBuilder;
+use reqwest::Response;
 use std::time::{SystemTime, UNIX_EPOCH};
 use tokio::time::{sleep, Duration};
 
@@ -36,9 +38,26 @@ impl GithubEndpointWatcher {
         })
     }
 
-    pub async fn get_results(
-        &mut self,
-    ) -> Result<Option<serde_json::Value>, Box<dyn std::error::Error>> {
+    pub async fn skip_results_before_now(&mut self) -> Result<(), Box<dyn std::error::Error>> {
+        // This will incur an API call to get the headers for ETAG and
+        // last modified at but it will throw away the results.
+
+        // TODO: Can this be done without a request? We wouldn't get
+        // an ETAG but we should be able to calculate our own date
+        // string for last modified.
+        let request = self.build_request()?;
+        self.sleep_until_next_poll().await?;
+        self.sleep_until_ratelimit().await?;
+        let request_started_at = SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs();
+        info!("Hitting url {}", self.url);
+        let response = request.send().await?;
+        self.update_headers_from_response(&response, request_started_at)?;
+        response.error_for_status()?;
+
+        Ok(())
+    }
+
+    fn build_request(&mut self) -> Result<RequestBuilder, Box<dyn std::error::Error>> {
         let mut request = self
             .http_client
             .get(&self.url)
@@ -58,14 +77,16 @@ impl GithubEndpointWatcher {
             );
             request = request.header(reqwest::header::IF_MODIFIED_SINCE, last_modified_at);
         }
-        self.sleep_until_next_poll().await?;
-        self.sleep_until_ratelimit().await?;
-        let request_started_at = SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs();
-        info!("Hitting url {}", self.url);
-        let response = request.send().await?;
+        Ok(request)
+    }
 
+    fn update_headers_from_response(
+        &mut self,
+        response: &Response,
+        request_started_at: u64,
+    ) -> Result<(), Box<dyn std::error::Error>> {
         let headers = response.headers();
-        let etag = headers.get(reqwest::header::ETAG).map(|x| x.to_owned());
+        self.etag = headers.get(reqwest::header::ETAG).map(|x| x.to_owned());
         let poll_interval = number_header(headers.get("x-poll-interval"))?;
         if let Some(interval) = poll_interval {
             self.previous_poll_interval = Some(interval);
@@ -75,38 +96,39 @@ impl GithubEndpointWatcher {
         self.ratelimit_reset = number_header(headers.get("x-ratelimit-reset"))?;
         // let ratelimit_used = headers.get("x-ratelimit-used").map(|x| x.to_owned());
         // let ratelimit_resource = headers.get("x-ratelimit-resource").map(|x| x.to_owned());
-        let last_modified_at = headers
+        self.last_modified_at = headers
             .get(reqwest::header::LAST_MODIFIED)
             .map(|x| x.to_owned());
 
-        if let reqwest::StatusCode::NOT_MODIFIED = response.status() {
-            self.etag = etag;
-            self.last_modified_at = last_modified_at;
-            let poll_interval_parsed: u64 = poll_interval.unwrap_or_else(|| {
-                let fallback_interval = self.previous_poll_interval.unwrap_or(300);
-                info!(
-                    "No poll interval returned, defaulting to {} second polling.",
-                    fallback_interval
-                );
+        let poll_interval_parsed: u64 = poll_interval.unwrap_or_else(|| {
+            let fallback_interval = self.previous_poll_interval.unwrap_or(300);
+            info!(
+                "No poll interval returned, defaulting to {} second polling.",
                 fallback_interval
-            });
-            self.next_poll_allowed = request_started_at + poll_interval_parsed;
+            );
+            fallback_interval
+        });
+        self.next_poll_allowed = request_started_at + poll_interval_parsed;
+        Ok(())
+    }
+
+    pub async fn get_results(
+        &mut self,
+    ) -> Result<Option<serde_json::Value>, Box<dyn std::error::Error>> {
+        let request = self.build_request()?;
+        self.sleep_until_next_poll().await?;
+        self.sleep_until_ratelimit().await?;
+        let request_started_at = SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs();
+        info!("Hitting url {}", self.url);
+        let response = request.send().await?;
+
+        self.update_headers_from_response(&response, request_started_at)?;
+        let response_status = response.status();
+
+        if let reqwest::StatusCode::NOT_MODIFIED = response_status {
             return Ok(None);
         } else {
             let body = response.json::<serde_json::Value>().await?;
-
-            self.etag = etag;
-            self.last_modified_at = last_modified_at;
-            let poll_interval_parsed: u64 = poll_interval.unwrap_or_else(|| {
-                let fallback_interval = self.previous_poll_interval.unwrap_or(300);
-                info!(
-                    "No poll interval returned, defaulting to {} second polling.",
-                    fallback_interval
-                );
-                fallback_interval
-            });
-            self.next_poll_allowed = request_started_at + poll_interval_parsed;
-
             return Ok(Some(body));
         }
     }

src/githubctl/githubctl.rs

@@ -1,3 +1,5 @@
+use crate::json_util::get_json_string;
+use std::collections::HashSet;
 use tokio::sync::mpsc;
 
 use super::github_endpoint_watcher::GithubEndpointWatcher;
@@ -75,8 +77,10 @@ impl<'a> GithubCtl<'a> {
         let event_stream = self.event_writer.clone();
 
         tokio::spawn(async move {
+            let mut already_seen_event_ids = HashSet::new();
             let mut endpoint_watcher = GithubEndpointWatcher::new(username, token, url)
                 .expect("Failed to create endpoint watcher.");
+            let mut should_notify: bool = false; // Skip the first page of results because theses events already occurred in the past
             loop {
                 let api_result = match endpoint_watcher.get_results().await {
                     Ok(result) => result,
@@ -87,9 +91,17 @@ impl<'a> GithubCtl<'a> {
                 };
                 if let Some(serde_json::Value::Array(events)) = api_result {
                     for event in events {
-                        if let Err(_) = event_stream.send(event).await {
-                            error!("Receiver dropped.");
-                            return;
+                        let event_id = event
+                            .get("id")
+                            .map(get_json_string)
+                            .expect("Ran into an event without a id.")
+                            .to_owned();
+
+                        if should_notify && already_seen_event_ids.insert(event_id) {
+                            if let Err(_) = event_stream.send(event).await {
+                                error!("Receiver dropped.");
+                                return;
+                            }
                         }
                     }
                 } else if let None = api_result {
@@ -97,6 +109,7 @@ impl<'a> GithubCtl<'a> {
                 } else {
                     error!("Unsupported JSON type.");
                 }
+                should_notify = true;
             }
         });
     }

src/githubctl/mod.rs

@@ -1,4 +1,6 @@
 mod github_endpoint_watcher;
 mod githubctl;
+mod pull_request_event;
 
 pub use githubctl::GithubCtl;
+pub use pull_request_event::PullRequestEvent;

src/githubctl/pull_request_event.rs

@@ -0,0 +1,57 @@
+use crate::json_util::get_json_object;
+use crate::json_util::get_json_string;
+
+pub struct PullRequestEvent<'a> {
+    original_event: &'a serde_json::Value,
+    pub action: &'a String,
+    pub html_url: &'a String,
+    pub state: &'a String,
+    pub title: &'a String,
+}
+
+impl<'a> PullRequestEvent<'a> {
+    pub fn new(original_event: &'a serde_json::Value) -> Result<Self, Box<dyn std::error::Error>> {
+        let payload = original_event
+            .get("payload")
+            .map(get_json_object)
+            .expect("Ran into a PullRequestEvent without a payload.");
+        let payload_action = payload
+            .get("action")
+            .map(get_json_string)
+            .expect("Ran into a PullRequestEvent without a payload.action.");
+        let payload_pull_request = payload
+            .get("pull_request")
+            .map(get_json_object)
+            .expect("Ran into a PullRequestEvent without a payload.pull_request.");
+        let payload_pull_request_html_url = payload_pull_request
+            .get("html_url")
+            .map(get_json_string)
+            .expect("Ran into a PullRequestEvent without a payload.pull_request.html_url.");
+        let payload_pull_request_state = payload_pull_request
+            .get("state")
+            .map(get_json_string)
+            .expect("Ran into a PullRequestEvent without a payload.pull_request.state.");
+        let payload_pull_request_title = payload_pull_request
+            .get("title")
+            .map(get_json_string)
+            .expect("Ran into a PullRequestEvent without a payload.pull_request.title.");
+
+        Ok(PullRequestEvent {
+            original_event,
+            action: payload_action,
+            html_url: payload_pull_request_html_url,
+            state: payload_pull_request_state,
+            title: payload_pull_request_title,
+        })
+    }
+
+    pub fn is_a(event: &'a serde_json::Value) -> Result<bool, Box<dyn std::error::Error>> {
+        let event_type = event.get("type").map(get_json_string);
+        match event_type {
+            Some(event_type_string) if event_type_string == "PullRequestEvent" => {
+                return Ok(true);
+            }
+            _ => Ok(false),
+        }
+    }
+}

src/json_util.rs

@@ -0,0 +1,23 @@
+use serde_json::{self, Map};
+
+pub fn get_json_object(obj: &serde_json::Value) -> &Map<String, serde_json::Value> {
+    match obj {
+        serde_json::Value::Null => panic!("Unexpected json type"),
+        serde_json::Value::Bool(_) => panic!("Unexpected json type"),
+        serde_json::Value::Number(_) => panic!("Unexpected json type"),
+        serde_json::Value::String(_) => panic!("Unexpected json type"),
+        serde_json::Value::Array(_) => panic!("Unexpected json type"),
+        serde_json::Value::Object(event_object) => event_object,
+    }
+}
+
+pub fn get_json_string(str: &serde_json::Value) -> &String {
+    match str {
+        serde_json::Value::Null => panic!("Unexpected json type"),
+        serde_json::Value::Bool(_) => panic!("Unexpected json type"),
+        serde_json::Value::Number(_) => panic!("Unexpected json type"),
+        serde_json::Value::String(txt) => txt,
+        serde_json::Value::Array(_) => panic!("Unexpected json type"),
+        serde_json::Value::Object(_) => panic!("Unexpected json type"),
+    }
+}

src/main.rs

@@ -2,7 +2,10 @@
 extern crate log;
 
 mod githubctl;
+mod json_util;
 
+use githubctl::PullRequestEvent;
+use notify_rust::{Hint, Notification};
 use serde_json;
 
 const USERNAME: &'static str = include_str!("../.username");
@@ -17,6 +20,35 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     github.watch_repo(ORG, REPO).await?;
     loop {
         let event = github.get_event().await?;
-        println!("{}", serde_json::to_string(&event)?);
+        // println!("{}", serde_json::to_string(&event)?);
+        handle_event(event)?;
     }
 }
+
+fn handle_event(json_event: serde_json::Value) -> Result<(), Box<dyn std::error::Error>> {
+    if PullRequestEvent::is_a(&json_event)? {
+        let event = PullRequestEvent::new(&json_event)?;
+        if event.action == "opened" {
+            // println!("PullRequestEvent action {}", event.action);
+            println!("{}", serde_json::to_string(&json_event)?);
+            let notification_body = format!("Pull Request opened: {}", event.title);
+            Notification::new()
+                .summary("Pull request opened.")
+                .body(notification_body.as_str())
+                // .icon("can be a full path to an image file")
+                .appname("github_watcher")
+                .hint(Hint::Category("im.received".to_owned()))
+                .hint(Hint::Resident(true))
+                .timeout(0)
+                .show()?
+                .wait_for_action(|action| match action {
+                    "default" => info!("you clicked \"default\""),
+                    "clicked" => info!("that was correct"),
+                    // here "__closed" is a hard coded keyword
+                    "__closed" => info!("the notification was closed"),
+                    _ => info!("Unrecognized action {}", action),
+                });
+        }
+    }
+    Ok(())
+}