// Helper function to fetch a group of versions and their associated builds.
// Returns the versions themselves, as well as a map of version id -> the
// builds that are a part of the version (unsorted).
func fetchVersionsAndAssociatedBuilds(project *model.Project, skip int, numVersions int) ([]version.Version, map[string][]build.Build, error) {
// fetch the versions from the db
versionsFromDB, err := version.Find(version.ByProjectId(project.Identifier).
WithFields(
version.RevisionKey,
version.ErrorsKey,
version.WarningsKey,
version.IgnoredKey,
version.MessageKey,
version.AuthorKey,
version.RevisionOrderNumberKey,
version.CreateTimeKey,
).Sort([]string{"-" + version.RevisionOrderNumberKey}).Skip(skip).Limit(numVersions))
if err != nil {
return nil, nil, fmt.Errorf("error fetching versions from database: %v", err)
}
// create a slice of the version ids (used to fetch the builds)
versionIds := make([]string, 0, len(versionsFromDB))
for _, v := range versionsFromDB {
versionIds = append(versionIds, v.Id)
}
// fetch all of the builds (with only relevant fields)
buildsFromDb, err := build.Find(
build.ByVersions(versionIds).
WithFields(build.BuildVariantKey, build.TasksKey, build.VersionKey))
if err != nil {
return nil, nil, fmt.Errorf("error fetching builds from database: %v", err)
}
// group the builds by version
buildsByVersion := map[string][]build.Build{}
for _, build := range buildsFromDb {
buildsByVersion[build.Version] = append(buildsByVersion[build.Version], build)
}
return versionsFromDB, buildsByVersion, nil
}
// Returns a JSON response of an array with the NumRecentVersions
// most recent versions (sorted on commit order number descending).
func (restapi restAPI) getRecentVersions(w http.ResponseWriter, r *http.Request) {
projectId := mux.Vars(r)["project_id"]
versions, err := version.Find(version.ByMostRecentForRequester(projectId, evergreen.RepotrackerVersionRequester).Limit(10))
if err != nil {
msg := fmt.Sprintf("Error finding recent versions of project '%v'", projectId)
evergreen.Logger.Logf(slogger.ERROR, "%v: %v", msg, err)
restapi.WriteJSON(w, http.StatusInternalServerError, responseError{Message: msg})
return
}
// Create a slice of version ids to find all relevant builds
versionIds := make([]string, 0, len(versions))
// Cache the order of versions in a map for lookup by their id
versionIdx := make(map[string]int, len(versions))
for i, version := range versions {
versionIds = append(versionIds, version.Id)
versionIdx[version.Id] = i
}
// Find all builds corresponding the set of version ids
builds, err := build.Find(
build.ByVersions(versionIds).
WithFields(build.BuildVariantKey, build.DisplayNameKey, build.TasksKey, build.VersionKey))
if err != nil {
msg := fmt.Sprintf("Error finding recent versions of project '%v'", projectId)
evergreen.Logger.Logf(slogger.ERROR, "%v: %v", msg, err)
restapi.WriteJSON(w, http.StatusInternalServerError, responseError{Message: msg})
return
}
result := recentVersionsContent{
Project: projectId,
Versions: make([]versionLessInfo, 0, len(versions)),
}
for _, version := range versions {
versionInfo := versionLessInfo{
Id: version.Id,
Author: version.Author,
Revision: version.Revision,
Message: version.Message,
Builds: make(versionByBuild),
}
result.Versions = append(result.Versions, versionInfo)
}
for _, build := range builds {
buildInfo := versionBuildInfo{
Id: build.Id,
Name: build.DisplayName,
Tasks: make(versionByBuildByTask, len(build.Tasks)),
}
for _, task := range build.Tasks {
buildInfo.Tasks[task.DisplayName] = versionStatus{
Id: task.Id,
Status: task.Status,
TimeTaken: task.TimeTaken,
}
}
versionInfo := result.Versions[versionIdx[build.Version]]
versionInfo.Builds[build.BuildVariant] = buildInfo
}
restapi.WriteJSON(w, http.StatusOK, result)
return
}