Monorail client in Go

go/src/infra/monorail/validation.go

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package monorail
+
+import "fmt"
+
+// Validate checks the message for errors.
+func (i *IssueRef) Validate() error {
+        if i == nil {
+                return fmt.Errorf("is nil")
+        }
+        if i.ProjectId == "" {
+                return fmt.Errorf("no projectId")
+        }
+        if i.IssueId == 0 {
+                return fmt.Errorf("no issueId")
+        }
+        return nil
+}
+
+// Validate checks the message for errors.
+func (a *AtomPerson) Validate() error {
+        if a == nil {
+                return fmt.Errorf("is nil")
+        }
+        if a.Name == "" {
+                return fmt.Errorf("no name")
+        }
+        return nil
+}
+
+// Validate checks the message for errors.
+func (i *Issue) Validate() error {
+        if i == nil {
+                return fmt.Errorf("is nil")
+        }
+        if i.Status == "" {
+                return fmt.Errorf("no status")
+        }
+        for _, ref := range i.BlockedOn {
+                if err := ref.Validate(); err != nil {
+                        return fmt.Errorf("blockedOn: %s", err)
+                }
+        }
+
+        seen := map[string]struct{}{}
+        for _, cc := range i.Cc {
+                if err := cc.Validate(); err != nil {
+                        return fmt.Errorf("cc: %s", err)
+                }
+                // Monorail does not like duplicates in CC list.
+                if _, saw := seen[cc.Name]; saw {
+                        return fmt.Errorf("cc: duplicate %s", cc.Name)
+                }
+                seen[cc.Name] = struct{}{}
+        }
+
+        for _, c := range i.Components {
+                if c == "" {
+                        return fmt.Errorf("empty component")
+                }
+        }
+
+        for _, label := range i.Labels {
+                if label == "" {
+                        return fmt.Errorf("empty label")
+                }
+        }
+
+        if i.Owner != nil {
+                if err := i.Owner.Validate(); err != nil {
+                        return err
+                }
+        }
+
+        return nil
+}
+
+// Validate checks the message for errors.
+func (i *InsertIssueRequest) Validate() error {
+        if i.ProjectId == "" {
+                return fmt.Errorf("no projectId")
+        }
+        if err := i.Issue.Validate(); err != nil {
+                return fmt.Errorf("issue: %s", err)
+        }
+        if i.Issue.Id != 0 {
+                return fmt.Errorf("issue: must not have id")
+        }
+        return nil
+}