New structure (#7)

pkg/models/list_tasks_rights.go

@@ -0,0 +1,43 @@
+package models
+
+import (
+	"code.vikunja.io/api/pkg/log"
+)
+
+// CanDelete checks if the user can delete an task
+func (i *ListTask) CanDelete(doer *User) bool {
+	// Get the task
+	lI, err := GetListTaskByID(i.ID)
+	if err != nil {
+		log.Log.Error("Error occurred during CanDelete for ListTask: %s", err)
+		return false
+	}
+
+	// A user can delete an task if he has write acces to its list
+	l := &List{ID: lI.ListID}
+	l.ReadOne()
+	return l.CanWrite(doer)
+}
+
+// CanUpdate determines if a user has the right to update a list task
+func (i *ListTask) CanUpdate(doer *User) bool {
+	// Get the task
+	lI, err := GetListTaskByID(i.ID)
+	if err != nil {
+		log.Log.Error("Error occurred during CanDelete for ListTask: %s", err)
+		return false
+	}
+
+	// A user can update an task if he has write acces to its list
+	l := &List{ID: lI.ListID}
+	l.ReadOne()
+	return l.CanWrite(doer)
+}
+
+// CanCreate determines if a user has the right to create a list task
+func (i *ListTask) CanCreate(doer *User) bool {
+	// A user can create an task if he has write acces to its list
+	l := &List{ID: i.ListID}
+	l.ReadOne()
+	return l.CanWrite(doer)
+}