Add a new method to fetch builds with specific fields using a single …

…api call

Signed-off-by: Dani Louca <[email protected]>

job.go

@@ -73,17 +73,17 @@ type JobResponse struct {
 		IconUrl       string `json:"iconUrl"`
 		Score         int64  `json:"score"`
 	} `json:"healthReport"`
-	InQueue               bool       `json:"inQueue"`
-	KeepDependencies      bool       `json:"keepDependencies"`
-	LastBuild             JobBuild   `json:"lastBuild"`
-	LastCompletedBuild    JobBuild   `json:"lastCompletedBuild"`
-	LastFailedBuild       JobBuild   `json:"lastFailedBuild"`
-	LastStableBuild       JobBuild   `json:"lastStableBuild"`
-	LastSuccessfulBuild   JobBuild   `json:"lastSuccessfulBuild"`
-	LastUnstableBuild     JobBuild   `json:"lastUnstableBuild"`
-	LastUnsuccessfulBuild JobBuild   `json:"lastUnsuccessfulBuild"`
-	Name                  string     `json:"name"`
-	NextBuildNumber       int64      `json:"nextBuildNumber"`
+	InQueue               bool     `json:"inQueue"`
+	KeepDependencies      bool     `json:"keepDependencies"`
+	LastBuild             JobBuild `json:"lastBuild"`
+	LastCompletedBuild    JobBuild `json:"lastCompletedBuild"`
+	LastFailedBuild       JobBuild `json:"lastFailedBuild"`
+	LastStableBuild       JobBuild `json:"lastStableBuild"`
+	LastSuccessfulBuild   JobBuild `json:"lastSuccessfulBuild"`
+	LastUnstableBuild     JobBuild `json:"lastUnstableBuild"`
+	LastUnsuccessfulBuild JobBuild `json:"lastUnsuccessfulBuild"`
+	Name                  string   `json:"name"`
+	NextBuildNumber       int64    `json:"nextBuildNumber"`
 	Property              []struct {
 		ParameterDefinitions []ParameterDefinition `json:"parameterDefinitions"`
 	} `json:"property"`
@@ -192,6 +192,18 @@ func (j *Job) GetLastCompletedBuild() (*Build, error) {
 	return j.getBuildByType("lastCompletedBuild")
 }
 
+func (j *Job) GetBuildsFields(fields []string, custom interface{}) error {
+	if fields == nil || len(fields) == 0 {
+		return fmt.Errorf("one or more field value needs to be specified")
+	}
+	// limit overhead using builds instead of allBuilds, which returns the last 100 build
+	_, err := j.Jenkins.Requester.GetJSON(j.Base, &custom, map[string]string{"tree": "builds[" + strings.Join(fields, ",") + "]"})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 // Returns All Builds with Number and URL
 func (j *Job) GetAllBuildIds() ([]JobBuild, error) {
 	var buildsResp struct {