Function showPackages

api/api.go:236–327

Common piece of code to show list of packages, with searching & details if requested

(c *gin.Context, reflist *deb.PackageRefList, collectionFactory *deb.CollectionFactory)

// Common piece of code to show list of packages,
// with searching & details if requested
func showPackages(c *gin.Context, reflist *deb.PackageRefList, collectionFactory *deb.CollectionFactory) {
	result := []*deb.Package{}

	list, err := deb.NewPackageListFromRefList(reflist, collectionFactory.PackageCollection(), nil)
	if err != nil {
		AbortWithJSONError(c, 404, err)
		return
	}

	queryS := c.Request.URL.Query().Get("q")
	if queryS != "" {
		q, err := query.Parse(c.Request.URL.Query().Get("q"))
		if err != nil {
			AbortWithJSONError(c, 400, err)
			return
		}

		withDeps := c.Request.URL.Query().Get("withDeps") == "1"
		architecturesList := []string{}

		if withDeps {
			if len(context.ArchitecturesList()) > 0 {
				architecturesList = context.ArchitecturesList()
			} else {
				architecturesList = list.Architectures(false)
			}

			sort.Strings(architecturesList)

			if len(architecturesList) == 0 {
				AbortWithJSONError(c, 400, fmt.Errorf("unable to determine list of architectures, please specify explicitly"))
				return
			}
		}

		list.PrepareIndex()

		list, err = list.Filter(deb.FilterOptions{
			Queries:           []deb.PackageQuery{q},
			WithDependencies:  withDeps,
			Source:            nil,
			DependencyOptions: context.DependencyOptions(),
			Architectures:     architecturesList,
		})
		if err != nil {
			AbortWithJSONError(c, 500, fmt.Errorf("unable to search: %s", err))
			return
		}
	}

	// filter packages by version
	if c.Request.URL.Query().Get("maximumVersion") == "1" {
		list.PrepareIndex()
		_ = list.ForEach(func(p *deb.Package) error {
			versionQ, err := query.Parse(fmt.Sprintf("Name (%s), $Version (<= %s)", p.Name, p.Version))
			if err != nil {
				fmt.Println("filter packages by version, query string parse err: ", err)
				_ = c.AbortWithError(500, fmt.Errorf("unable to parse %s maximum version query string: %s", p.Name, err))