feat: Add icon to templates (#3561)

coderd/templates.go

@@ -411,6 +411,7 @@ func (api *API) patchTemplateMeta(rw http.ResponseWriter, r *http.Request) {
 
 		if req.Name == template.Name &&
 			req.Description == template.Description &&
+			req.Icon == template.Icon &&
 			req.MaxTTLMillis == time.Duration(template.MaxTtl).Milliseconds() &&
 			req.MinAutostartIntervalMillis == time.Duration(template.MinAutostartInterval).Milliseconds() {
 			return nil
@@ -419,6 +420,7 @@ func (api *API) patchTemplateMeta(rw http.ResponseWriter, r *http.Request) {
 		// Update template metadata -- empty fields are not overwritten.
 		name := req.Name
 		desc := req.Description
+		icon := req.Icon
 		maxTTL := time.Duration(req.MaxTTLMillis) * time.Millisecond
 		minAutostartInterval := time.Duration(req.MinAutostartIntervalMillis) * time.Millisecond
 
@@ -428,6 +430,9 @@ func (api *API) patchTemplateMeta(rw http.ResponseWriter, r *http.Request) {
 		if desc == "" {
 			desc = template.Description
 		}
+		if icon == "" {
+			name = template.Icon
+		}
 		if maxTTL == 0 {
 			maxTTL = time.Duration(template.MaxTtl)
 		}
@@ -440,6 +445,7 @@ func (api *API) patchTemplateMeta(rw http.ResponseWriter, r *http.Request) {
 			UpdatedAt:            database.Now(),
 			Name:                 name,
 			Description:          desc,
+			Icon:                 icon,
 			MaxTtl:               int64(maxTTL),
 			MinAutostartInterval: int64(minAutostartInterval),
 		}); err != nil {
@@ -519,6 +525,7 @@ func convertTemplate(template database.Template, workspaceOwnerCount uint32, cre
 		ActiveVersionID:            template.ActiveVersionID,
 		WorkspaceOwnerCount:        workspaceOwnerCount,
 		Description:                template.Description,
+		Icon:                       template.Icon,
 		MaxTTLMillis:               time.Duration(template.MaxTtl).Milliseconds(),
 		MinAutostartIntervalMillis: time.Duration(template.MinAutostartInterval).Milliseconds(),
 		CreatedByID:                template.CreatedBy,