New structure (#7)

2018-10-31 12:42:38 +00:00
parent 3f9fad0e2a
commit 301a4eedda
104 changed files with 326 additions and 280 deletions
--- a/pkg/models/list_rights.go
+++ b/pkg/models/list_rights.go
@ -0,0 +1,115 @@
+package models
+
+import (
+	"code.vikunja.io/api/pkg/log"
+)
+
+// IsAdmin returns whether the user has admin rights on the list or not
+func (l *List) IsAdmin(u *User) bool {
+	// Owners are always admins
+	if l.Owner.ID == u.ID {
+		return true
+	}
+
+	// Check individual rights
+	if l.checkListUserRight(u, UserRightAdmin) {
+		return true
+	}
+
+	return l.checkListTeamRight(u, TeamRightAdmin)
+}
+
+// CanWrite return whether the user can write on that list or not
+func (l *List) CanWrite(user *User) bool {
+	// Admins always have write access
+	if l.IsAdmin(user) {
+		return true
+	}
+
+	// Check individual rights
+	if l.checkListUserRight(user, UserRightWrite) {
+		return true
+	}
+
+	return l.checkListTeamRight(user, TeamRightWrite)
+}
+
+// CanRead checks if a user has read access to a list
+func (l *List) CanRead(user *User) bool {
+	// Admins always have read access
+	if l.IsAdmin(user) {
+		return true
+	}
+
+	// Check individual rights
+	if l.checkListUserRight(user, UserRightRead) {
+		return true
+	}
+
+	return l.checkListTeamRight(user, TeamRightRead)
+}
+
+// CanDelete checks if the user can delete a list
+func (l *List) CanDelete(doer *User) bool {
+	if err := l.GetSimpleByID(); err != nil {
+		log.Log.Error("Error occurred during CanDelete for List: %s", err)
+		return false
+	}
+	return l.IsAdmin(doer)
+}
+
+// CanUpdate checks if the user can update a list
+func (l *List) CanUpdate(doer *User) bool {
+	if err := l.GetSimpleByID(); err != nil {
+		log.Log.Error("Error occurred during CanUpdate for List: %s", err)
+		return false
+	}
+	return l.CanWrite(doer)
+}
+
+// CanCreate checks if the user can update a list
+func (l *List) CanCreate(doer *User) bool {
+	// A user can create a list if he has write access to the namespace
+	n, _ := GetNamespaceByID(l.NamespaceID)
+	return n.CanWrite(doer)
+}
+
+func (l *List) checkListTeamRight(user *User, r TeamRight) bool {
+	exists, err := x.Select("l.*").
+		Table("list").
+		Alias("l").
+		Join("LEFT", []string{"team_namespaces", "tn"}, " l.namespace_id = tn.namespace_id").
+		Join("LEFT", []string{"team_members", "tm"}, "tm.team_id = tn.team_id").
+		Join("LEFT", []string{"team_list", "tl"}, "l.id = tl.list_id").
+		Join("LEFT", []string{"team_members", "tm2"}, "tm2.team_id = tl.team_id").
+		Where("((tm.user_id = ? AND tn.right = ?) OR (tm2.user_id = ? AND tl.right = ?)) AND l.id = ?",
+			user.ID, r, user.ID, r, l.ID).
+		Exist(&List{})
+	if err != nil {
+		log.Log.Error("Error occurred during checkListTeamRight for List: %s", err)
+		return false
+	}
+
+	return exists
+}
+
+func (l *List) checkListUserRight(user *User, r UserRight) bool {
+	exists, err := x.Select("l.*").
+		Table("list").
+		Alias("l").
+		Join("LEFT", []string{"users_namespace", "un"}, "un.namespace_id = l.namespace_id").
+		Join("LEFT", []string{"users_list", "ul"}, "ul.list_id = l.id").
+		Join("LEFT", []string{"namespaces", "n"}, "n.id = l.namespace_id").
+		Where("((ul.user_id = ? AND ul.right = ?) "+
+			"OR (un.user_id = ? AND un.right = ?) "+
+			"OR n.owner_id = ?)"+
+			"AND l.id = ?",
+			user.ID, r, user.ID, r, user.ID, l.ID).
+		Exist(&List{})
+	if err != nil {
+		log.Log.Error("Error occurred during checkListUserRight for List: %s", err)
+		return false
+	}
+
+	return exists
+}