retrieving article blocks

net/server/internal/api_addArticle.go

@@ -55,6 +55,7 @@ func AddArticle(w http.ResponseWriter, r *http.Request) {
 
   article := &store.Article{
     ArticleId: uuid.New().String(),
+    ArticleBlockID: articleBlock.ID,
     AccountID: account.ID,
     Revision: 1,
     Status: APP_ARTICLEUNCONFIRMED,
@@ -91,13 +92,13 @@ func AddArticle(w http.ResponseWriter, r *http.Request) {
   WriteResponse(w, articleEntry)
 }
 
-func addArticleBlock(account *store.Account, articleBlock *store.ArticleBlock) error {
+func addArticleBlock(account *store.Account, articleBlock *store.ArticleBlock) (err error) {
   articleBlock.ArticleBlockId = uuid.New().String()
   articleBlock.AccountID = account.ID
   articleBlock.Revision = account.ContentRevision
-  if err := store.DB.Save(articleBlock).Error; err != nil {
-    return err
+  if err = store.DB.Save(articleBlock).Error; err != nil {
+    return
   }
-  return nil
+  return
 }
 

net/server/internal/api_getArticleBlocks.go

@@ -1,11 +1,102 @@
 package databag
 
 import (
+  "strings"
+  "strconv"
+  "errors"
   "net/http"
+  "gorm.io/gorm"
+  "databag/internal/store"
 )
 
 func GetArticleBlocks(w http.ResponseWriter, r *http.Request) {
-  w.Header().Set("Content-Type", "application/json; charset=UTF-8")
-  w.WriteHeader(http.StatusOK)
+  var err error
+
+  var contentRevision int64
+  if contentRevision, err = getArticleBlockRevision(r.FormValue("contentRevision")); err != nil {
+    ErrMsg(err)
+  }
+
+  // extract token
+  tokenType := r.Header.Get("TokenType")
+  auth := r.Header.Get("Authorization")
+  token := strings.TrimSpace(strings.TrimPrefix(auth, "Bearer"))
+  target, access, err := ParseToken(token)
+  if err != nil {
+    ErrResponse(w, http.StatusBadRequest, errors.New("invalid bearer token"))
+    return
+  }
+
+  // retrieve updated blocks
+  var blocks []store.ArticleBlock
+  if tokenType == APP_TOKENAPP {
+    var app store.App
+    if err := store.DB.Preload("Account").Where("account_id = ? AND token = ?", target, access).First(&app).Error; err != nil {
+      if errors.Is(err, gorm.ErrRecordNotFound) {
+        ErrResponse(w, http.StatusNotFound, err)
+      } else {
+        ErrResponse(w, http.StatusInternalServerError, err)
+      }
+      return
+    }
+
+    // retrieve block ids
+    if err = getAccountArticleBlocks(&app.Account, contentRevision, &blocks); err != nil {
+      ErrResponse(w, http.StatusInternalServerError, err)
+      return
+    }
+  } else if tokenType == APP_TOKENCONTACT {
+    var card store.Card
+    if err := store.DB.Preload("Account").Where("account_id = ? AND InToken = ?", target, access).First(&card).Error; err != nil {
+      if errors.Is(err, gorm.ErrRecordNotFound) {
+        ErrResponse(w, http.StatusNotFound, err)
+      } else {
+        ErrResponse(w, http.StatusInternalServerError, err)
+      }
+      return
+    }
+
+    var viewRevision int64
+    if viewRevision, err = getArticleBlockRevision(r.FormValue("viewRevision")); err != nil {
+      ErrMsg(err)
+    }
+
+    // retrieve block ids
+    if err = getCardArticleBlocks(&card, viewRevision, contentRevision, &blocks); err != nil {
+      ErrResponse(w, http.StatusInternalServerError, err)
+      return
+    }
+  } else {
+    ErrResponse(w, http.StatusBadRequest, errors.New("invalid token type"))
+  }
+
+  var ids []string
+  for _, block := range blocks {
+    ids = append(ids, block.ArticleBlockId)
+  }
+  WriteResponse(w, ids)
 }
 
+func getArticleBlockRevision(param string) (rev int64, err error) {
+  if param == "" {
+    return
+  }
+  rev, err = strconv.ParseInt(param, 10, 64)
+  return
+}
+
+func getAccountArticleBlocks(act *store.Account, content int64, blocks *[]store.ArticleBlock) error {
+  return store.DB.Where("revision > ? AND account_id = ?", content, act.ID).Find(blocks).Error
+}
+
+func getCardArticleBlocks(card *store.Card, view int64, content int64, blocks *[]store.ArticleBlock) error {
+  if view != card.ViewRevision + card.Account.ViewRevision {
+    return store.DB.Where("revision > ? && account_id = ?", content, card.Account.ID).Find(blocks).Error
+  } else {
+    return store.DB.Where("account_id = ?", card.Account.ID).Find(blocks).Error
+  }
+}
+
+
+
+

net/server/internal/api_setCardStatus.go

@@ -22,6 +22,7 @@ func SetCardStatus(w http.ResponseWriter, r *http.Request) {
   params := mux.Vars(r)
   cardId := params["cardId"]
   token := r.FormValue("token")
+
   var status string
   if err := ParseRequest(r, w, &status); err != nil {
     ErrResponse(w, http.StatusBadRequest, err)

net/server/internal/store/schema.go

@@ -176,7 +176,7 @@ type Article struct {
   ID                uint            `gorm:"primaryKey;not null;unique;autoIncrement"`
   ArticleId         string          `gorm:"not null;index:article,unique"`
   AccountID         uint            `gorm:"not null;index:article,unique"`
-  ArticleBlockID    uint            `gorm:"not null;index:articleblock"`
+  ArticleBlockID    uint            `gorm:"not null;index:articleblockid"`
   Revision          int64           `gorm:"not null"`
   DataType          string          `gorm:"index"`
   Data              string
@@ -189,6 +189,7 @@ type Article struct {
   Groups            []Group         `gorm:"many2many:article_groups;"`
   Labels            []Label         `gorm:"many2many:article_labels;"`
   Account           Account
+  ArticleBlock      ArticleBlock
 }
 
 type ArticleAsset struct {

net/server/internal/testUtil.go

@@ -53,6 +53,8 @@ func GetTestRevision(status chan *Revision) (rev *Revision) {
 
 func SendEndpointTest(
       endpoint func(http.ResponseWriter, *http.Request),
+      requestType string,
+      name string,
       params *map[string]string,
       body interface{},
       token string,
@@ -62,13 +64,14 @@ func SendEndpointTest(
   var r *http.Request
   var w *httptest.ResponseRecorder
 
-  if r, w, err = NewRequest("REST", "/NAME", body); err != nil {
+  if r, w, err = NewRequest(requestType, name, body); err != nil {
     return
   }
   if params != nil {
     r = mux.SetURLVars(r, *params)
   }
   if token != "" {
+    r.Header.Add("TokenType", APP_TOKENAPP)
     SetBearerAuth(r, token)
   }
   endpoint(w, r)

net/server/internal/ucAddArticle_test.go

@@ -11,6 +11,7 @@ func TestAddArticle(t *testing.T) {
   var rev *Revision
   var articleEntry ArticleEntry
   var contentRevision int64
+  var ids []string
 
   // setup testing group
   set, err = AddTestGroup("addarticle")
@@ -22,12 +23,17 @@ func TestAddArticle(t *testing.T) {
 
   // create article
   articleAccess := &ArticleAccess{ Groups: []string{set.A.B.GroupId} }
-  assert.NoError(t, SendEndpointTest(AddArticle, nil, articleAccess, set.A.Token, &articleEntry))
+  assert.NoError(t, SendEndpointTest(AddArticle, "POST", "/content/articles", nil, articleAccess, set.A.Token, &articleEntry))
+  PrintMsg(articleEntry);
 
   // check revisions
   rev = GetTestRevision(set.A.Revisions)
   assert.Greater(t, rev.Content, contentRevision)
 
+  // view article blocks
+  assert.NoError(t, SendEndpointTest(GetArticleBlocks, "GET", "/content/articleBlocks", nil, nil, set.A.Token, &ids))
+  PrintMsg(ids)
+
   // view article
 
   PrintMsg(rev)