adding attribute support

net/server/internal/api_attribute.go

@@ -28,11 +28,6 @@ func GetArticleSubjectField(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusOK)
 }
 
-func GetArticles(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
-	w.WriteHeader(http.StatusOK)
-}
-
 func RemoveArticle(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
 	w.WriteHeader(http.StatusOK)

net/server/internal/api_getArticles.go

@@ -0,0 +1,108 @@
+package databag
+
+import (
+  "errors"
+  "strconv"
+  "net/http"
+  "databag/internal/store"
+)
+
+func GetArticles(w http.ResponseWriter, r *http.Request) {
+  var articleRevisionSet bool
+  var articleRevision int64
+  var viewRevisionSet bool
+  var viewRevision int64
+
+  article := r.FormValue("articleRevision")
+  if article != "" {
+    var err error
+    articleRevisionSet = true
+    if articleRevision, err = strconv.ParseInt(article, 10, 64); err != nil {
+      ErrResponse(w, http.StatusBadRequest, err)
+      return
+    }
+  }
+
+  view := r.FormValue("viewRevision")
+  if view != "" {
+    var err error
+    viewRevisionSet = true
+    if viewRevision, err = strconv.ParseInt(view, 10, 64); err != nil {
+      ErrResponse(w, http.StatusBadRequest, err)
+      return
+    }
+  }
+
+  var response []*Article
+  tokenType := r.Header.Get("TokenType")
+  if tokenType == APP_TOKENAPP {
+
+    account, code, err := BearerAppToken(r, false);
+    if err != nil {
+      ErrResponse(w, code, err)
+      return
+    }
+
+    var slots []store.ArticleSlot
+    if articleRevisionSet {
+      if err := store.DB.Preload("Article.ArticleData").Where("account_id = ? AND revision > ?", account.ID, articleRevision).Find(&slots).Error; err != nil {
+        ErrResponse(w, http.StatusInternalServerError, err)
+        return
+      }
+    } else {
+      if err := store.DB.Preload("Article.ArticleData").Where("account_id = ? AND article_id != 0", account.ID).Find(&slots).Error; err != nil {
+        ErrResponse(w, http.StatusInternalServerError, err)
+        return
+      }
+    }
+
+    for _, slot := range slots {
+      response = append(response, getArticleModel(&slot, true))
+    }
+
+    w.Header().Set("Article-Revision", strconv.FormatInt(account.ArticleRevision, 10))
+
+  } else if tokenType == APP_TOKENCONTACT {
+
+    card, code, err := BearerContactToken(r, true)
+    if err != nil {
+      ErrResponse(w, code, err)
+      return
+    }
+
+    if viewRevisionSet || articleRevisionSet {
+      if viewRevision != card.ViewRevision {
+        ErrResponse(w, http.StatusGone, errors.New("artivle view has changed"))
+        return
+      }
+    }
+
+    account := &card.Account
+    var slots []store.ArticleSlot
+    if articleRevisionSet {
+      if err := store.DB.Preload("Article.ArticleData").Where("account_id = ? AND revision > ?", account.ID, articleRevision).Find(&slots).Error; err != nil {
+        ErrResponse(w, http.StatusInternalServerError, err)
+        return
+      }
+    } else {
+      if err := store.DB.Preload("Article.ArticleData").Where("account_id = ? AND article_id != 0", account.ID).Find(&slots).Error; err != nil {
+        ErrResponse(w, http.StatusInternalServerError, err)
+        return
+      }
+    }
+
+    for _, slot := range slots {
+      response = append(response, getArticleModel(&slot, false))
+    }
+
+    w.Header().Set("Article-Revision", strconv.FormatInt(account.ArticleRevision, 10))
+    w.Header().Set("View-Revision", strconv.FormatInt(card.ViewRevision, 10))
+
+  } else {
+    ErrResponse(w, http.StatusBadRequest, errors.New("invalid token type"))
+    return
+  }
+
+  WriteResponse(w, response)
+}
+

net/server/internal/modelUtil.go

@@ -115,4 +115,34 @@ func getGroupModel(slot *store.GroupSlot) *Group {
   }
 }
 
+func getArticleModel(slot *store.ArticleSlot, showGroups bool) *Article {
+  if slot.Article == nil {
+    return &Article{
+      Id: slot.ArticleSlotId,
+      Revision: slot.Revision,
+    }
+  }
+
+  var articleGroups *ArticleGroups
+  if showGroups {
+    var groups []string;
+    for _, group := range slot.Article.Groups {
+      groups = append(groups, group.GroupSlot.GroupSlotId)
+    }
+    articleGroups = &ArticleGroups{ Groups: groups }
+  }
+
+  return &Article{
+    Id: slot.ArticleSlotId,
+    Revision: slot.Revision,
+    Data: &ArticleData {
+      DataType: slot.Article.DataType,
+      Data: slot.Article.Data,
+      Created: slot.Article.Created,
+      Updated: slot.Article.Updated,
+      Groups: articleGroups,
+    },
+  }
+}
+
 

net/server/internal/ucShareAttribute_test.go

@@ -0,0 +1,20 @@
+package databag
+
+import (
+  "testing"
+  "github.com/stretchr/testify/assert"
+)
+
+func TestShareAttribute(t *testing.T) {
+  var articles []Article
+
+  // setup testing group
+  set, err := AddTestGroup("shareattribute")
+  assert.NoError(t, err)
+
+  assert.NoError(t, ApiTestMsg(GetArticles, "GET", "/attribute/articles",
+    nil, nil, APP_TOKENAPP, set.A.Token, &articles, nil))
+
+  PrintMsg(articles)
+}
+