feat: add button to remove image from class

logic/models/data.go

@@ -376,6 +376,35 @@ func processZipFileExpand(c *Context, model *BaseModel) {
 	ModelUpdateStatus(c, model.Id, READY)
 }
 
+
+func handleRemoveDataPoint(c *Context) *Error {
+    var dat JustId
+    if err := c.ToJSON(&dat); err != nil {
+        return err
+    }
+    
+    var GetModelId struct {
+        Value string `db:"m.id"`
+        Format string `db:"m.format"`
+    }
+
+    err := GetDBOnce(c, &GetModelId, "model_data_point as mdp inner join model_classes as mc on mdp.class_id=mc.id inner join models as m on m.id=mc.model_id where mdp.id=$1;", dat.Id)
+    if err == NotFoundError {
+        return c.SendJSONStatus(404, "Data point not found")
+    } else if err != nil {
+        return c.E500M("Failed to find data point", err)
+    }
+
+    os.Remove(path.Join("savedData", GetModelId.Value, "data", dat.Id+"."+GetModelId.Format))
+
+    _, err = c.Db.Exec("delete from model_data_point where id=$1;", dat.Id)
+    if err != nil {
+        return c.E500M("Failed to remove datapoint from database", err)
+    }
+
+    return c.SendJSON("ok")
+}
+
 func handleDataUpload(handle *Handle) {
 	handle.Post("/models/data/upload", func(c *Context) *Error {
 		if !c.CheckAuthLevel(1) {
@@ -501,17 +530,14 @@ func handleDataUpload(handle *Handle) {
 		return c.SendJSON(model.Id)
 	})
 
+    handle.Delete("/models/data/point", handleRemoveDataPoint)
+
 	handle.Delete("/models/data/delete-zip-file", func(c *Context) *Error {
 		if !c.CheckAuthLevel(1) {
 			return nil
 		}
 
-		type ModelData struct {
-			Id string `json:"id"`
-		}
-
-		var dat ModelData
-
+		var dat JustId
 		if err := c.ToJSON(&dat); err != nil {
 			return err
 		}

logic/utils/handler.go

@@ -95,6 +95,16 @@ func (x *Handle) Delete(path string, fn func(c *Context) *Error) {
 	x.deletes = append(x.deletes, HandleFunc{path, fn})
 }
 
+func (x *Handle) DeleteAuth(path string, authLevel int, fn func(c *Context) *Error) {
+	inner_fn := func(c *Context) *Error {
+        if !c.CheckAuthLevel(authLevel) {
+            return nil
+        }
+        return fn(c)
+	}
+	x.posts = append(x.posts, HandleFunc{path, inner_fn})
+}
+
 func (x *Handle) handleGets(context *Context) {
     defer func() {
         if r := recover(); r != nil { 

logic/utils/utils.go

@@ -204,7 +204,7 @@ func MyParseForm(r *http.Request) (vs url.Values, err error) {
 	return
 }
 
-type JustId struct{ Id string }
+type JustId struct{ Id string `json:"id" validate:"required"` }
 
 type Generic struct{ reflect.Type }