load tags, start showing in template drop down

route_handlers.go

@@ -10,6 +10,7 @@ import (
 	"io/ioutil"
 	"regexp"
 	"strings"
+	"github.com/dballard/transmet/tags"
 )
 
 func GetFlashes(session *sessions.Session) map[string]interface{} {
@@ -102,6 +103,7 @@ func LoginPostHandler(w http.ResponseWriter, r *http.Request) {
 
 // ?url=
 func addFormHandler(w http.ResponseWriter, r *http.Request, user *user.User) {
+    tags.LoadTags(db)
     var url = r.URL.Query().Get("url")
     reHttp := regexp.MustCompile("^http://")
     if ! reHttp.Match([]byte(url)) {
@@ -118,13 +120,13 @@ func addFormHandler(w http.ResponseWriter, r *http.Request, user *user.User) {
             re := regexp.MustCompile("< *[Tt][Ii][Tt][Ll][Ee] *>(.*)</ *[Tt][Ii][Tt][Ll][Ee] *>")
             title := re.FindStringSubmatch(string(body))
             if title != nil {
-            	ShowTemplate("add", w, map[string]interface{}{"user": user, "link": url, "title": strings.TrimSpace(title[1])})
+            	ShowTemplate("add", w, map[string]interface{}{"user": user, "link": url, "tags": tags.Tags, "title": strings.TrimSpace(title[1])})
             	return
             }
         }
     }
     
-	ShowTemplate("add", w, map[string]interface{}{"user": user, "link": url})
+	ShowTemplate("add", w, map[string]interface{}{"user": user, "link": url, "tags": tags.Tags})
 }
 
 func addPostHandler(w http.ResponseWriter, r *http.Request, user *user.User) {

tags/tags.go

@@ -10,22 +10,26 @@ import (
 
 type Tag struct {
     Name string
-    Parent int
+    Parent sql.NullInt64
     Children []int
 }
 
 var Tags map[int]*Tag
 
 func LoadTags(db *sql.DB) {
-   	rows, err := db.Query("select tag_id, name, parent_id, array_agg(distinct(parent_of.tag_id)) from tags join tags as parent_of on tags.parent_id=parent_of.tag_id group by tags.tag_id")
-    	
+    Tags = make(map[int]*Tag)
+   	rows, err := db.Query("select tags.tag_id, tags.name, tags.parent_id, array_agg(distinct(parent_of.tag_id)) as children from tags left join tags as parent_of on parent_of.parent_id=tags.tag_id group by tags.tag_id")
+    if err != nil {
+        fmt.Println("DB Error loading tags:", err)
+        return
+    }	
 		
 	for rows.Next() {
 		tag := &Tag{Children: nil}
 
 		var children sql.NullString
 		var tag_id int
-		err = rows.Scan(&tag_id, &tag.Name, &tag.Name, &tag.Parent, &children)
+		err = rows.Scan(&tag_id, &tag.Name, &tag.Parent, &children)
 		if err != nil {
 			fmt.Println("tags DB Error: ", err)
 		}
@@ -36,12 +40,11 @@ func LoadTags(db *sql.DB) {
 				pids := strings.Split(childrenStr, ",")
 				for _, spid := range pids {
 					pid, _ := strconv.Atoi(spid)
-					
-					tags.C
+					tag.Children = append(tag.Children, pid)
 				}	
 			}
 		}
 
-		tags[tag_d] = tag
+		Tags[tag_id] = tag
 	}
 }

templates/pages/add.html

@@ -5,10 +5,21 @@
 <div class="row">
     <div class="col-xs-2">Link:</div><div class="col-xs-10"><input type="text" class="form-control" name="link" placeholder="Link" value="{{.link}}"/></div>
     <div class="col-xs-2">Title:</div><div class="col-xs-10"><input type="text" class="form-control" name="title" placeholder="Title" value="{{.title}}"/></div>
-    <div class="col-xs-2">Path:</div><div class="col-xs-10"><input type="text" class="form-control" name="path" placeholder="Path"/></div>
+    <div class="col-xs-2">Path:</div><div class="col-xs-10">
+        <select class="form-control" name="path" placeholder="Path">
+        {{range $tag := .tags}}
+            {{template "option-tag" $tag}}
+        {{end}}
+        </select>  
+    </div>
     <div class="col-xs-2">Description:</div><div class="col-xs-10"><textarea class="form-control" name="description" placeholder="Description"  rows="3" cols="80">{{.task.Description}}</textarea></div>
     <div class="col-xs-2"></div><div class="col-xs-10"><input class="btn btn-lg btn-primary btn-block" type="submit" value="Add Link" /></div>
 </div>
 
 </form>
+{{end}}
+
+
+{{define "option-tag"}}
+    <option>{{.Name}}</option>        
 {{end}}