Time !

.gitignore

@@ -1 +1,2 @@
 *.exe
+tmp-build

env.bat

@@ -0,0 +1,3 @@
+set PATH=C:\TDM-GCC-64\bin;%PATH%
+set CGOENABLED=1
+set GOTMPDIR=.\tmp-build

model/time.go

@@ -0,0 +1,34 @@
+package model
+
+import (
+    "time"
+    "errors"
+    sqldriver "database/sql/driver"
+)
+
+type Time time.Time
+
+func MakeTimeNow() Time {
+    return Time(time.Now().UTC())
+}
+
+func (self Time) String() string {
+    return time.Time(self).String()
+}
+
+func (self Time) Value() (sqldriver.Value, error) {
+    return time.Time(self).Format(time.RFC3339), nil
+}
+
+func (self *Time) Scan(value any) error {
+    if valueStr, ok := value.(string); ok {
+        parsedTime, err := time.Parse(time.RFC3339, valueStr)
+        if err == nil {
+            *self = Time(parsedTime.UTC())
+        }
+        return err
+    } else {
+        return errors.New("Expected a string")
+    }
+}
+

model/timer.go

@@ -3,5 +3,7 @@ package model
 type Timer struct {
     Id          UUID
     Name        string
+    StartTime   Time
+    EndTime     Time
 }
 

model/uuid.go

@@ -9,13 +9,13 @@ type UUID struct {
     payload     uuid.UUID
 }
 
-func NewUUID() UUID {
+func MakeUUID() UUID {
     id, _ := uuid.NewRandom()
     return UUID { payload: id }
 }
 
 func (self UUID) Value() (sqldriver.Value, error) {
-    return self.payload.MarshalBinary()
+    return self.payload[:], nil
 }
 
 func (self *UUID) Scan(value any) error {

timer.go

@@ -19,28 +19,32 @@ func initializeDatabase(db *sql.DB) error {
 
     _, err = tx.Exec(`
         CREATE TABLE Timer (
-            id BLOB NOT NULL UNIQUE,
+            Id          BLOB    NOT NULL UNIQUE,
-            name TEXT NOT NULL,
+            Name        TEXT    NOT NULL,
+            StartTime   TEXT    NOT NULL,
+            EndTime     TEXT    NOT NULL,
             PRIMARY KEY (id)
         )
     `)
     if err != nil { return err }
 
-    id := model.NewUUID()
+    now := model.MakeTimeNow()
+
+    id := model.MakeUUID()
     _, err = tx.Exec(`
-        INSERT INTO Timer VALUES ($1, $2)`, id, "My timer");
+        INSERT INTO Timer VALUES ($1, $2, $3, $4)`, id, "My timer", now, now);
     if err != nil { return err }
 
-    id = model.NewUUID()
+    id = model.MakeUUID()
     _, err = tx.Exec(`
-        INSERT INTO Timer VALUES ($1, $2)`, id, "My timer 2");
+        INSERT INTO Timer VALUES ($1, $2, $3, $4)`, id, "My timer 2", now, now);
     if err != nil { return err }
 
     return tx.Commit()
 }
 
 func queryAllTimers(db *sql.DB) []model.Timer {
-    rows, err := db.Query("SELECT id, name FROM Timer")
+    rows, err := db.Query("SELECT Id, Name FROM Timer")
     if err != nil { log.Fatalln(err) }
 
     timers := []model.Timer{}
@@ -58,10 +62,10 @@ func queryTimer(db *sql.DB, idStr string) *model.Timer {
     var id model.UUID
     if err := id.Scan(idStr); err != nil { return nil }
 
-    row := db.QueryRow("SELECT id, name FROM Timer WHERE id=$1", id)
+    row := db.QueryRow("SELECT Id, Name, StartTime, EndTime FROM Timer WHERE Id=$1", id)
 
     var t model.Timer
-    if err := row.Scan(&t.Id, &t.Name); err == nil {
+    if err := row.Scan(&t.Id, &t.Name, &t.StartTime, &t.EndTime); err == nil {
         return &t
     }
 
@@ -96,7 +100,7 @@ func (server *myServer) handleTimer(w http.ResponseWriter, r *http.Request) {
 }
 
 func main() {
-    log.Println("Hello")
+    log.Println("Starting...")
 
     db, err := sql.Open("sqlite3", ":memory:")
     if err != nil {
@@ -116,6 +120,7 @@ func main() {
     http.HandleFunc("/timer/{timerId}", myServer.handleTimer)
     http.HandleFunc("/", myServer.handleMain)
 
+    log.Println("Started!")
     http.ListenAndServe("0.0.0.0:80", nil)
 }
 

view/timer.templ

@@ -5,6 +5,8 @@ import (
 )
 
 templ TimerView(timer model.Timer) {
-    <h1>This is timer { timer.Name }</h1>
+    <h1>This is timer { timer.Name } </h1>
-    <a href="/">Back to list</a>
+    <p><a href="/">Back to list</a></p>
+    <p>Start time: { timer.StartTime.String() }</p>
+    <p>End time: { timer.EndTime.String() }</p>
 }

view/timer_templ.go

@@ -40,7 +40,33 @@ func TimerView(timer model.Timer) templ.Component {
 		if templ_7745c5c3_Err != nil {
 			return templ_7745c5c3_Err
 		}
-		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</h1><a href=\"/\">Back to list</a>")
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</h1><p><a href=\"/\">Back to list</a></p><p>Start time: ")
+		if templ_7745c5c3_Err != nil {
+			return templ_7745c5c3_Err
+		}
+		var templ_7745c5c3_Var3 string
+		templ_7745c5c3_Var3, templ_7745c5c3_Err = templ.JoinStringErrs(timer.StartTime.String())
+		if templ_7745c5c3_Err != nil {
+			return templ.Error{Err: templ_7745c5c3_Err, FileName: `view\timer.templ`, Line: 10, Col: 45}
+		}
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var3))
+		if templ_7745c5c3_Err != nil {
+			return templ_7745c5c3_Err
+		}
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</p><p>End time: ")
+		if templ_7745c5c3_Err != nil {
+			return templ_7745c5c3_Err
+		}
+		var templ_7745c5c3_Var4 string
+		templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.JoinStringErrs(timer.EndTime.String())
+		if templ_7745c5c3_Err != nil {
+			return templ.Error{Err: templ_7745c5c3_Err, FileName: `view\timer.templ`, Line: 11, Col: 41}
+		}
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var4))
+		if templ_7745c5c3_Err != nil {
+			return templ_7745c5c3_Err
+		}
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</p>")
 		if templ_7745c5c3_Err != nil {
 			return templ_7745c5c3_Err
 		}

view/timers_list.templ

@@ -6,7 +6,7 @@ import (
 )
 
 templ timer(t model.Timer) {
-    <p><a href={ templ.URL(fmt.Sprintf("/timer/%s", t.Id)) }>{ t.Name }</a></p>
+    <p><a href={ templ.URL(fmt.Sprint("/timer/", t.Id)) }>{ t.Name }</a></p>
 }
 
 templ TimersList(timers []model.Timer) {

view/timers_list_templ.go

@@ -32,7 +32,7 @@ func timer(t model.Timer) templ.Component {
 		if templ_7745c5c3_Err != nil {
 			return templ_7745c5c3_Err
 		}
-		var templ_7745c5c3_Var2 templ.SafeURL = templ.URL(fmt.Sprintf("/timer/%s", t.Id))
+		var templ_7745c5c3_Var2 templ.SafeURL = templ.URL(fmt.Sprint("/timer/", t.Id))
 		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(string(templ_7745c5c3_Var2)))
 		if templ_7745c5c3_Err != nil {
 			return templ_7745c5c3_Err
@@ -44,7 +44,7 @@ func timer(t model.Timer) templ.Component {
 		var templ_7745c5c3_Var3 string
 		templ_7745c5c3_Var3, templ_7745c5c3_Err = templ.JoinStringErrs(t.Name)
 		if templ_7745c5c3_Err != nil {
-			return templ.Error{Err: templ_7745c5c3_Err, FileName: `view\timers_list.templ`, Line: 9, Col: 69}
+			return templ.Error{Err: templ_7745c5c3_Err, FileName: `view\timers_list.templ`, Line: 9, Col: 66}
 		}
 		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var3))
 		if templ_7745c5c3_Err != nil {