Run forever

flake.lock

@@ -1,32 +1,12 @@
 {
   "nodes": {
-    "easy-hls": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1637250802,
-        "narHash": "sha256-/crlHEVB148PGQLZCsHOR9L5qgvCAfRSocIoKgmMAhA=",
-        "owner": "jkachmar",
-        "repo": "easy-hls-nix",
-        "rev": "7c123399ef8a67dc0e505d9cf7f2c7f64f1cd847",
-        "type": "github"
-      },
-      "original": {
-        "owner": "jkachmar",
-        "repo": "easy-hls-nix",
-        "type": "github"
-      }
-    },
     "flake-utils": {
       "locked": {
-        "lastModified": 1644229661,
+        "lastModified": 1649676176,
-        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
+        "narHash": "sha256-OWKJratjt2RW151VUlJPRALb7OU2S5s+f0vLj4o1bHM=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
+        "rev": "a4b154ebbdc88c8498a5c7b01589addc9e9cb678",
         "type": "github"
       },
       "original": {
@@ -37,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1644453163,
+        "lastModified": 1650440614,
-        "narHash": "sha256-VPlXtIsShceYHUspnJSvuvucrX1OWVFmrqiofn69yCM=",
+        "narHash": "sha256-7mF7gyS5P3UmZmQuo9jbikP2wMyRUnimI7HcKLJ9OZQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7e003d7fb9eff8ecb84405360c75c716cdd1f79f",
+        "rev": "0bbb65673c0ba31047c9ba6c4cd211556b534a4e",
         "type": "github"
       },
       "original": {
@@ -51,7 +31,6 @@
     },
     "root": {
       "inputs": {
-        "easy-hls": "easy-hls",
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs"
       }

flake.nix

@@ -2,17 +2,13 @@
   description = "A very basic flake";
 
   inputs = {
-    easy-hls = {
-      url = "github:jkachmar/easy-hls-nix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
     flake-utils = {
       url = "github:numtide/flake-utils";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
-  outputs = { self, nixpkgs, flake-utils, easy-hls }:
+  outputs = { self, nixpkgs, flake-utils }:
   {
     overlay = final: prev: {
       haskellPackages = prev.haskellPackages.override ( old: {
@@ -27,7 +23,6 @@
       let
         pkgs = import nixpkgs { inherit system; overlays = [ self.overlay ]; };
         hp = pkgs.haskellPackages;
-        hls = (easy-hls.withGhcs [ hp.ghc.version ] ).${system};
       in
       rec {
 
@@ -48,7 +43,6 @@
               hp.hlint
               stylish-haskell
               ghcid
-              hls
               rrdtool
               jq
               sqlite-interactive
@@ -58,6 +52,8 @@
               hp.graphmod
 
               hp.dhall-nixpkgs
+
+              hp.haskell-language-server
             ];
           };
         }

reddit-pub.cabal

@@ -40,7 +40,7 @@ library
 
     -- LANGUAGE extensions used by modules in this package.
     -- other-extensions:
-    build-depends:    base ^>=4.14.1.0
+    build-depends:    base ^>=4.15.1.0
                     , amqp
                     , aeson
                     , lens
@@ -65,7 +65,7 @@ executable reddit-pub
     -- LANGUAGE extensions used by modules in this package.
     -- other-extensions:
     build-depends:
-        base ^>=4.14.1.0,
+        base ^>=4.15.1.0,
         reddit-pub
 
     hs-source-dirs:   app
@@ -82,7 +82,7 @@ test-suite reddit-tests
     -- LANGUAGE extensions used by modules in this package.
     -- other-extensions:
     build-depends:
-        base ^>=4.14.1.0,
+        base ^>=4.15.1.0,
         mtl,
         containers,
         bytestring,

src/MyLib.hs

@@ -2,20 +2,25 @@
 {-# LANGUAGE DeriveAnyClass #-}
 {-# LANGUAGE DeriveGeneric #-}
 {-# LANGUAGE DerivingVia #-}
+{-# LANGUAGE NumericUnderscores #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TypeOperators #-}
 module MyLib (defaultMain) where
 
+import Control.Concurrent (threadDelay)
 import Control.Exception (bracket)
 import Control.Lens
-import Control.Monad (void)
+import Control.Monad (forever, void)
 import Data.Aeson (FromJSON, ToJSON, Value)
 import qualified Data.Aeson as A
+import Data.Aeson.Lens (_String, key)
+import Data.Bool (bool)
 import Data.Config
 import Data.Deriving.Aeson
 import Data.Foldable (for_)
 import Data.Functor.Contravariant ((>$<))
 import Data.Text (Text)
+import qualified Data.Text.IO as TI
 import qualified Data.Text.Strict.Lens as T
 import qualified Database.SQLite.Simple as SQL
 import GHC.Generics (Generic)
@@ -23,19 +28,21 @@ import qualified Membership
 import Network.AMQP
        ( Channel
        , DeliveryMode(Persistent)
+       , closeConnection
+       , declareExchange
        , exchangeName
        , exchangeType
        , msgBody
        , msgDeliveryMode
+       , newExchange
        , newMsg
-       , publishMsg, openConnection, closeConnection, openChannel, newExchange, declareExchange
+       , openChannel
+       , openConnection
+       , publishMsg
        )
-import Network.Reddit (RedditId (RedditId), publishEntries)
+import Network.Reddit (RedditId(RedditId), publishEntries)
 import Network.Wreq.Session (newSession)
 import Publish (Publish(..))
-import Data.Aeson.Lens (key, _String)
-import Data.Bool (bool)
-import qualified Data.Text.IO as TI
 
 data MessageType = Create | Update
   deriving stock (Show, Eq, Generic)
@@ -86,9 +93,11 @@ defaultMain path = do
       let encoder = amqpPublisher sqlConn chan "reddit_posts"
           recorder = sqlRecorder sqlConn
           publisher = encoder <> (messageIdentifier >$< recorder)
+      forever $ do
         for_ (conf ^. fetchers) $ \fetcher -> do
             print fetcher
             publishEntries (toMessage >$< publisher) sess fetcher
+        threadDelay (15 * 60_000_000)
 
 getPassword :: Password -> IO Text
 getPassword (Password p) = pure p