basic temple+air testing setup

.air.toml

@@ -0,0 +1,46 @@
+root = "."
+testdata_dir = "testdata"
+tmp_dir = "tmp"
+
+[build]
+  args_bin = []
+  bin = "./tmp/main"
+  cmd = "templ generate && go build -o ./tmp/main ."
+  delay = 1000
+  exclude_dir = ["assets", "tmp", "vendor", "testdata"]
+  exclude_file = []
+  exclude_regex = ["_test.go", ".*_templ.go"]
+  exclude_unchanged = false
+  follow_symlink = false
+  full_bin = ""
+  include_dir = []
+  include_ext = ["go", "tpl", "tmpl", "templ", "html"]
+  include_file = []
+  kill_delay = "0s"
+  log = "build-errors.log"
+  poll = false
+  poll_interval = 0
+  post_cmd = []
+  pre_cmd = []
+  rerun = false
+  rerun_delay = 500
+  send_interrupt = false
+  stop_on_error = false
+
+[color]
+  app = ""
+  build = "yellow"
+  main = "magenta"
+  runner = "green"
+  watcher = "cyan"
+
+[log]
+  main_only = false
+  time = false
+
+[misc]
+  clean_on_exit = false
+
+[screen]
+  clear_on_rebuild = false
+  keep_scroll = true

api.go

@@ -1,18 +1,18 @@
 package main
 
 import (
-    "net/http"
 	"encoding/json"
+	"net/http"
 
 	//"context"
 	"fmt"
 
-    "github.com/go-chi/chi/v5"
 	"github.com/ggicci/httpin"
+	"github.com/go-chi/chi/v5"
 	"github.com/rs/zerolog/log"
 )
 
-const DEFAULT_RESULT_COUNT = 50;
+const DEFAULT_RESULT_COUNT = 50
 
 type GetTransactionPaginationInput struct {
 	ResultCount int `in:"query=result_count"`

db.go

@@ -3,13 +3,13 @@ package main
 import (
 	"fmt"
 
+	"github.com/jmoiron/sqlx"
 	_ "github.com/lib/pq"
 	_ "github.com/mattn/go-sqlite3"
-    "github.com/jmoiron/sqlx"
 	"github.com/rs/zerolog/log"
 )
 
-func db_get_transactions(transactions *[]Transaction,r *GetTransactionPaginationInput) (error) {
+func db_get_transactions(transactions *[]Transaction, r *GetTransactionPaginationInput) error {
 	db, err := sqlx.Connect(DB_TYPE, DB_CONNECTION_STRING)
 	if err != nil {
 		log.Fatal().
@@ -20,18 +20,18 @@ func db_get_transactions(transactions *[]Transaction,r *GetTransactionPagination
 	defer db.Close()
 
 	err = db.Select(transactions,
-        "SELECT trns_id, trns_amount, trns_description, " +
-        "trns_account, trns_bucket, trns_date " +
-        fmt.Sprintf("FROM %stransactions ORDER BY trns_id DESC ", DB_SCHEMA) + 
+		"SELECT trns_id, trns_amount, trns_description, "+
+			"trns_account, trns_bucket, trns_date "+
+			fmt.Sprintf("FROM %stransactions ORDER BY trns_id DESC ", DB_SCHEMA)+
 			fmt.Sprintf("LIMIT %d OFFSET %d",
-            r.ResultCount, r.PageNum * r.ResultCount ))
+				r.ResultCount, r.PageNum*r.ResultCount))
 	if err != nil {
 		return err
 	}
 	return nil
 }
 
-func db_new_transaction(transaction Transaction) (error) {
+func db_new_transaction(transaction Transaction) error {
 	db, err := sqlx.Connect(DB_TYPE, DB_CONNECTION_STRING)
 	if err != nil {
 		log.Info()
@@ -45,8 +45,8 @@ func db_new_transaction(transaction Transaction) (error) {
 	log.Debug().Msgf("%#v", transaction)
 
 	_, err = db.NamedExec(
-            fmt.Sprintf("INSERT INTO %stransactions", DB_SCHEMA) + 
-            "(trns_amount, trns_description, trns_account, trns_bucket, trns_date)" +
+		fmt.Sprintf("INSERT INTO %stransactions", DB_SCHEMA)+
+			"(trns_amount, trns_description, trns_account, trns_bucket, trns_date)"+
 			"VALUES (:trns_amount, :trns_description, :trns_account, :trns_bucket, :trns_date)",
 		transaction)
 	if err != nil {

flake.lock

@@ -1,5 +1,41 @@
 {
   "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "templ",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1694102001,
+        "narHash": "sha256-vky6VPK1n1od6vXbqzOXnekrQpTL4hbPAwUhT5J9c9E=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "9e21c80adf67ebcb077d75bd5e7d724d21eeafd6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1702830618,
@@ -16,9 +52,68 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1694422566,
+        "narHash": "sha256-lHJ+A9esOz9vln/3CJG23FV6Wd2OoOFbDeEs4cMGMqc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3a2786eea085f040a66ecde1bc3ddc7099f6dbeb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "templ": "templ"
+      }
+    },
+    "templ": {
+      "inputs": {
+        "gitignore": "gitignore",
+        "nixpkgs": "nixpkgs_2",
+        "xc": "xc"
+      },
+      "locked": {
+        "lastModified": 1704923336,
+        "narHash": "sha256-aS/k5kkf8kShS5hoyHjnGCZrDnJxawstO/hzTcBPziY=",
+        "owner": "a-h",
+        "repo": "templ",
+        "rev": "914bc73f8030166c9f8bd46af62f5f9bb2c3b089",
+        "type": "github"
+      },
+      "original": {
+        "owner": "a-h",
+        "repo": "templ",
+        "type": "github"
+      }
+    },
+    "xc": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "templ",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1703164129,
+        "narHash": "sha256-kCcCqqwvjN07H8FPG4tXsRVRcMqT8dUNt9pwW1kKAe8=",
+        "owner": "joerdav",
+        "repo": "xc",
+        "rev": "0655cccfcf036556aeaddfb8f45dc7e8dd1b3680",
+        "type": "github"
+      },
+      "original": {
+        "owner": "joerdav",
+        "repo": "xc",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -2,9 +2,12 @@
   description = "Recount's server/backend, written in Go";
 
   # Nixpkgs / NixOS version to use.
-  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    templ.url = "github:a-h/templ";
+  };
 
-  outputs = { self, nixpkgs }:
+  outputs = { self, nixpkgs, templ }:
     let
       # Generate a user-friendly version number.
       version = builtins.substring 0 8 self.lastModifiedDate;
@@ -18,12 +21,13 @@
       # Nixpkgs instantiated for supported system types.
       nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
 
+      templ_function = system: templ.packages.${system}.templ;
     in
     {
-
       # Provide some binary packages for selected system types.
       packages = forAllSystems (system:
         let
+          inherit system;
           pkgs = nixpkgsFor.${system};
         in
         {
@@ -33,6 +37,9 @@
           default = pkgs.buildGoModule {
             pname = "recount-server";
             inherit version;
+            preBuild = ''
+              ${templ_function system}/bin/templ generate
+            '';
             # In 'nix develop', we don't need a copy of the source tree
             # in the Nix store.
             src = ./.;
@@ -61,10 +68,22 @@
 
 
       devShells = forAllSystems (system:
-        let pkgs = nixpkgsFor.${system};
+        let
+          inherit system;
+          pkgs = nixpkgsFor.${system};
         in {
           default = pkgs.mkShell {
-            buildInputs = with pkgs; [ go gopls gotools go-tools ];
+            shellHook = ''
+            alias gotest='templ generate;go run . -d'
+            '';
+            buildInputs = with pkgs; [ 
+              air # live go app reloading
+              go
+              gopls
+              gotools
+              go-tools
+              (templ_function system)
+            ];
           };
         });
   };

go.mod

@@ -12,8 +12,9 @@ require (
 )
 
 require (
+	github.com/a-h/templ v0.2.513 // indirect
 	github.com/ggicci/owl v0.4.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.19 // indirect
-	golang.org/x/sys v0.12.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	golang.org/x/sys v0.14.0 // indirect
 )

go.sum

@@ -1,3 +1,5 @@
+github.com/a-h/templ v0.2.513 h1:ZmwGAOx4NYllnHy+FTpusc4+c5msoMpPIYX0Oy3dNqw=
+github.com/a-h/templ v0.2.513/go.mod h1:9gZxTLtRzM3gQxO8jr09Na0v8/jfliS97S9W5SScanM=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -24,6 +26,8 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-sqlite3 v1.14.6 h1:dNPt6NO46WmLVt2DLNpwczCmdV5boIZ6g/tlDrlRUbg=
 github.com/mattn/go-sqlite3 v1.14.6/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -38,5 +42,7 @@ golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
+golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"nickiel.net/recount_server/tests"
+	"nickiel.net/recount_server/web"
 
 	"database/sql"
 	"net/http"
@@ -71,7 +72,6 @@ func main() {
 		debug_mode.Init_testdb(DB_TYPE, DB_CONNECTION_STRING)
 	}
 
-
 	debug_mode.SetLogLevel(zerolog.GlobalLevel())
 
 	log.Info().Msg("starting server")
@@ -89,8 +89,8 @@ func main() {
 	// processing should be stopped.
 	//r.Use(middleware.Timeout(60 * time.Second))
 
-    r.Get("/", hello)
 	r.Get("/headers", headers)
+	r.Mount("/", web.WebRouter())
 	r.Mount("/api", apiRouter())
 
 	err := http.ListenAndServe(":8090", r)

tests/testdb.go

@@ -1,9 +1,9 @@
 package debug_mode
 
 import (
-	"os"
-    "encoding/json"
 	"database/sql"
+	"encoding/json"
+	"os"
 	"time"
 
 	"github.com/jmoiron/sqlx"
@@ -149,13 +149,11 @@ INSERT INTO transactions (trns_amount, trns_description, trns_account, trns_buck
 		log.Fatal().Err(err).Msg("could not unmarshal")
 	}
 
-    _, err = db.NamedExec("INSERT INTO transactions" + 
-            "(trns_amount, trns_description, trns_account, trns_bucket, trns_date)" +
+	_, err = db.NamedExec("INSERT INTO transactions"+
+		"(trns_amount, trns_description, trns_account, trns_bucket, trns_date)"+
 		"VALUES (:trns_amount, :trns_description, :trns_account, :trns_bucket, :trns_date)",
 		trns)
 
-
-
 	log.Debug().Msg("Test database initialized")
 
 }

web/index.templ

@@ -0,0 +1,6 @@
+package web
+
+templ hello(name string) {
+    <div>Hello { name } </div>
+    <h1>SUPRISE!!!</h1>
+}

web/index_templ.go

@@ -0,0 +1,48 @@
+// Code generated by templ - DO NOT EDIT.
+
+// templ: version: v0.2.529
+package web
+
+//lint:file-ignore SA4006 This context is only used if a nested component is present.
+
+import "github.com/a-h/templ"
+import "context"
+import "io"
+import "bytes"
+
+func hello(name string) templ.Component {
+	return templ.ComponentFunc(func(ctx context.Context, templ_7745c5c3_W io.Writer) (templ_7745c5c3_Err error) {
+		templ_7745c5c3_Buffer, templ_7745c5c3_IsBuffer := templ_7745c5c3_W.(*bytes.Buffer)
+		if !templ_7745c5c3_IsBuffer {
+			templ_7745c5c3_Buffer = templ.GetBuffer()
+			defer templ.ReleaseBuffer(templ_7745c5c3_Buffer)
+		}
+		ctx = templ.InitializeContext(ctx)
+		templ_7745c5c3_Var1 := templ.GetChildren(ctx)
+		if templ_7745c5c3_Var1 == nil {
+			templ_7745c5c3_Var1 = templ.NopComponent
+		}
+		ctx = templ.ClearChildren(ctx)
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<div>Hello ")
+		if templ_7745c5c3_Err != nil {
+			return templ_7745c5c3_Err
+		}
+		var templ_7745c5c3_Var2 string
+		templ_7745c5c3_Var2, templ_7745c5c3_Err = templ.JoinStringErrs(name)
+		if templ_7745c5c3_Err != nil {
+			return templ.Error{Err: templ_7745c5c3_Err, FileName: `web/index.templ`, Line: 3, Col: 21}
+		}
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var2))
+		if templ_7745c5c3_Err != nil {
+			return templ_7745c5c3_Err
+		}
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</div><h1>SUPRISE!!!</h1>")
+		if templ_7745c5c3_Err != nil {
+			return templ_7745c5c3_Err
+		}
+		if !templ_7745c5c3_IsBuffer {
+			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteTo(templ_7745c5c3_W)
+		}
+		return templ_7745c5c3_Err
+	})
+}

web/router.go

@@ -0,0 +1,27 @@
+package web
+
+import (
+	"net/http"
+
+    "context"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+func SetLogLevel(level zerolog.Level) {
+	zerolog.SetGlobalLevel(level)
+}
+
+func WebRouter() http.Handler {
+	r := chi.NewRouter()
+	r.Get("/", getIndex)
+	return r
+}
+
+func getIndex(w http.ResponseWriter, req *http.Request) {
+    log.Debug().Msg("Got index")
+    component := hello("Nick")
+    component.Render(context.Background(), w)
+}