[bugfix] Don't try to add nil filtered statuses to context (#3388)

docs/api/swagger.yaml

@@ -950,7 +950,12 @@ definitions:
             with "direct message" visibility.
         properties:
             accounts:
-                description: Participants in the conversation.
+                description: |-
+                    Participants in the conversation.
+
+                    If this is a conversation between no accounts (ie., a self-directed DM),
+                    this will include only the requesting account itself. Otherwise, it will
+                    include every other account in the conversation *except* the requester.
                 items:
                     $ref: '#/definitions/account'
                 type: array

internal/api/model/conversation.go

@@ -27,6 +27,10 @@ type Conversation struct {
 	// Is the conversation currently marked as unread?
 	Unread bool `json:"unread"`
 	// Participants in the conversation.
+	//
+	// If this is a conversation between no accounts (ie., a self-directed DM),
+	// this will include only the requesting account itself. Otherwise, it will
+	// include every other account in the conversation *except* the requester.
 	Accounts []Account `json:"accounts"`
 	// The last status in the conversation. May be `null`.
 	LastStatus *Status `json:"last_status"`

internal/db/sqlite/driver.go

@@ -112,7 +112,7 @@ func (c *sqliteConn) Close() (err error) {
 	raw := c.connIface.(sqlite3driver.Conn).Raw()
 
 	// see: https://www.sqlite.org/pragma.html#pragma_optimize
-	const onClose = "PRAGMA analysis_limit=1000; PRAGMA optimize;"
+	const onClose = "PRAGMA optimize;"
 	_ = raw.Exec(onClose)
 
 	// Finally, close.

internal/processing/common/status.go

@@ -247,6 +247,12 @@ func (p *Processor) GetVisibleAPIStatuses(
 			continue
 		}
 
+		if apiStatus == nil {
+			// Status was
+			// filtered out.
+			continue
+		}
+
 		// Append converted status to return slice.
 		apiStatuses = append(apiStatuses, *apiStatus)
 	}

internal/typeutils/internaltofrontend.go

@@ -1832,46 +1832,23 @@ func (c *Converter) NotificationToAPINotification(
 func (c *Converter) ConversationToAPIConversation(
 	ctx context.Context,
 	conversation *gtsmodel.Conversation,
-	requestingAccount *gtsmodel.Account,
+	requester *gtsmodel.Account,
 	filters []*gtsmodel.Filter,
 	mutes *usermute.CompiledUserMuteList,
 ) (*apimodel.Conversation, error) {
 	apiConversation := &apimodel.Conversation{
 		ID:     conversation.ID,
 		Unread: !*conversation.Read,
-		Accounts: []apimodel.Account{},
-	}
-	for _, account := range conversation.OtherAccounts {
-		var apiAccount *apimodel.Account
-		blocked, err := c.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, account.ID)
-		if err != nil {
-			return nil, gtserror.Newf(
-				"DB error checking blocks between accounts %s and %s: %w",
-				requestingAccount.ID,
-				account.ID,
-				err,
-			)
-		}
-		if blocked || account.IsSuspended() {
-			apiAccount, err = c.AccountToAPIAccountBlocked(ctx, account)
-		} else {
-			apiAccount, err = c.AccountToAPIAccountPublic(ctx, account)
-		}
-		if err != nil {
-			return nil, gtserror.Newf(
-				"error converting account %s to API representation: %w",
-				account.ID,
-				err,
-			)
-		}
-		apiConversation.Accounts = append(apiConversation.Accounts, *apiAccount)
 	}
+
+	// Populate most recent status in convo;
+	// can be nil if this status is filtered.
 	if conversation.LastStatus != nil {
 		var err error
 		apiConversation.LastStatus, err = c.StatusToAPIStatus(
 			ctx,
 			conversation.LastStatus,
-			requestingAccount,
+			requester,
 			statusfilter.FilterContextNotifications,
 			filters,
 			mutes,
@@ -1885,6 +1862,60 @@ func (c *Converter) ConversationToAPIConversation(
 		}
 	}
 
+	// If no other accounts are involved in this convo,
+	// just include the requesting account and return.
+	//
+	// See: https://github.com/superseriousbusiness/gotosocial/issues/3385#issuecomment-2394033477
+	otherAcctsLen := len(conversation.OtherAccounts)
+	if otherAcctsLen == 0 {
+		apiAcct, err := c.AccountToAPIAccountPublic(ctx, requester)
+		if err != nil {
+			err := gtserror.Newf(
+				"error converting account %s to API representation: %w",
+				requester.ID, err,
+			)
+			return nil, err
+		}
+
+		apiConversation.Accounts = []apimodel.Account{*apiAcct}
+		return apiConversation, nil
+	}
+
+	// Other accounts are involved in the
+	// convo. Convert each to API model.
+	apiConversation.Accounts = make([]apimodel.Account, otherAcctsLen)
+	for i, account := range conversation.OtherAccounts {
+		blocked, err := c.state.DB.IsEitherBlocked(ctx,
+			requester.ID, account.ID,
+		)
+		if err != nil {
+			err := gtserror.Newf(
+				"db error checking blocks between accounts %s and %s: %w",
+				requester.ID, account.ID, err,
+			)
+			return nil, err
+		}
+
+		// API account model varies depending
+		// on status of conversation participant.
+		var apiAcct *apimodel.Account
+		if blocked || account.IsSuspended() {
+			apiAcct, err = c.AccountToAPIAccountBlocked(ctx, account)
+		} else {
+			apiAcct, err = c.AccountToAPIAccountPublic(ctx, account)
+		}
+
+		if err != nil {
+			err := gtserror.Newf(
+				"error converting account %s to API representation: %w",
+				account.ID, err,
+			)
+			return nil, err
+		}
+
+		apiConversation.Accounts[i] = *apiAcct
+	}
+
 	return apiConversation, nil
 }
 

internal/typeutils/internaltofrontend_test.go

@@ -3358,6 +3358,321 @@ func (suite *InternalToFrontendTestSuite) TestIntReqToAPI() {
 }`, string(b))
 }
 
+func (suite *InternalToFrontendTestSuite) TestConversationToAPISelfConvo() {
+	var (
+		ctx                                       = context.Background()
+		requester                                 = suite.testAccounts["local_account_1"]
+		lastStatus                                = suite.testStatuses["local_account_1_status_1"]
+		filters    []*gtsmodel.Filter             = nil
+		mutes      *usermute.CompiledUserMuteList = nil
+	)
+
+	convo := &gtsmodel.Conversation{
+		ID:            "01J9C6K86PKZ5GY5WXV94DGH6R",
+		CreatedAt:     testrig.TimeMustParse("2022-06-10T15:22:08Z"),
+		UpdatedAt:     testrig.TimeMustParse("2022-06-10T15:22:08Z"),
+		AccountID:     requester.ID,
+		Account:       requester,
+		OtherAccounts: nil,
+		LastStatus:    lastStatus,
+		Read:          util.Ptr(true),
+	}
+
+	apiConvo, err := suite.typeconverter.ConversationToAPIConversation(
+		ctx,
+		convo,
+		requester,
+		filters,
+		mutes,
+	)
+	if err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	b, err := json.MarshalIndent(apiConvo, "", "  ")
+	if err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	// No other accounts involved, so we should only
+	// have our own account in the "accounts" field.
+	suite.Equal(`{
+  "id": "01J9C6K86PKZ5GY5WXV94DGH6R",
+  "unread": false,
+  "accounts": [
+    {
+      "id": "01F8MH1H7YV1Z7D2C8K2730QBF",
+      "username": "the_mighty_zork",
+      "acct": "the_mighty_zork",
+      "display_name": "original zork (he/they)",
+      "locked": false,
+      "discoverable": true,
+      "bot": false,
+      "created_at": "2022-05-20T11:09:18.000Z",
+      "note": "\u003cp\u003ehey yo this is my profile!\u003c/p\u003e",
+      "url": "http://localhost:8080/@the_mighty_zork",
+      "avatar": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/avatar/original/01F8MH58A357CV5K7R7TJMSH6S.jpg",
+      "avatar_static": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/avatar/small/01F8MH58A357CV5K7R7TJMSH6S.webp",
+      "avatar_description": "a green goblin looking nasty",
+      "header": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/header/original/01PFPMWK2FF0D9WMHEJHR07C3Q.jpg",
+      "header_static": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/header/small/01PFPMWK2FF0D9WMHEJHR07C3Q.webp",
+      "header_description": "A very old-school screenshot of the original team fortress mod for quake",
+      "followers_count": 2,
+      "following_count": 2,
+      "statuses_count": 8,
+      "last_status_at": "2024-01-10T09:24:00.000Z",
+      "emojis": [],
+      "fields": [],
+      "enable_rss": true
+    }
+  ],
+  "last_status": {
+    "id": "01F8MHAMCHF6Y650WCRSCP4WMY",
+    "created_at": "2021-10-20T10:40:37.000Z",
+    "in_reply_to_id": null,
+    "in_reply_to_account_id": null,
+    "sensitive": true,
+    "spoiler_text": "introduction post",
+    "visibility": "public",
+    "language": "en",
+    "uri": "http://localhost:8080/users/the_mighty_zork/statuses/01F8MHAMCHF6Y650WCRSCP4WMY",
+    "url": "http://localhost:8080/@the_mighty_zork/statuses/01F8MHAMCHF6Y650WCRSCP4WMY",
+    "replies_count": 2,
+    "reblogs_count": 1,
+    "favourites_count": 1,
+    "favourited": false,
+    "reblogged": false,
+    "muted": false,
+    "bookmarked": false,
+    "pinned": false,
+    "content": "hello everyone!",
+    "reblog": null,
+    "application": {
+      "name": "really cool gts application",
+      "website": "https://reallycool.app"
+    },
+    "account": {
+      "id": "01F8MH1H7YV1Z7D2C8K2730QBF",
+      "username": "the_mighty_zork",
+      "acct": "the_mighty_zork",
+      "display_name": "original zork (he/they)",
+      "locked": false,
+      "discoverable": true,
+      "bot": false,
+      "created_at": "2022-05-20T11:09:18.000Z",
+      "note": "\u003cp\u003ehey yo this is my profile!\u003c/p\u003e",
+      "url": "http://localhost:8080/@the_mighty_zork",
+      "avatar": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/avatar/original/01F8MH58A357CV5K7R7TJMSH6S.jpg",
+      "avatar_static": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/avatar/small/01F8MH58A357CV5K7R7TJMSH6S.webp",
+      "avatar_description": "a green goblin looking nasty",
+      "header": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/header/original/01PFPMWK2FF0D9WMHEJHR07C3Q.jpg",
+      "header_static": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/header/small/01PFPMWK2FF0D9WMHEJHR07C3Q.webp",
+      "header_description": "A very old-school screenshot of the original team fortress mod for quake",
+      "followers_count": 2,
+      "following_count": 2,
+      "statuses_count": 8,
+      "last_status_at": "2024-01-10T09:24:00.000Z",
+      "emojis": [],
+      "fields": [],
+      "enable_rss": true
+    },
+    "media_attachments": [],
+    "mentions": [],
+    "tags": [],
+    "emojis": [],
+    "card": null,
+    "poll": null,
+    "text": "hello everyone!",
+    "interaction_policy": {
+      "can_favourite": {
+        "always": [
+          "public",
+          "me"
+        ],
+        "with_approval": []
+      },
+      "can_reply": {
+        "always": [
+          "public",
+          "me"
+        ],
+        "with_approval": []
+      },
+      "can_reblog": {
+        "always": [
+          "public",
+          "me"
+        ],
+        "with_approval": []
+      }
+    }
+  }
+}`, string(b))
+}
+
+func (suite *InternalToFrontendTestSuite) TestConversationToAPI() {
+	var (
+		ctx                                       = context.Background()
+		requester                                 = suite.testAccounts["local_account_1"]
+		lastStatus                                = suite.testStatuses["local_account_1_status_1"]
+		filters    []*gtsmodel.Filter             = nil
+		mutes      *usermute.CompiledUserMuteList = nil
+	)
+
+	convo := &gtsmodel.Conversation{
+		ID:        "01J9C6K86PKZ5GY5WXV94DGH6R",
+		CreatedAt: testrig.TimeMustParse("2022-06-10T15:22:08Z"),
+		UpdatedAt: testrig.TimeMustParse("2022-06-10T15:22:08Z"),
+		AccountID: requester.ID,
+		Account:   requester,
+		OtherAccounts: []*gtsmodel.Account{
+			suite.testAccounts["local_account_2"],
+		},
+		LastStatus: lastStatus,
+		Read:       util.Ptr(false),
+	}
+
+	apiConvo, err := suite.typeconverter.ConversationToAPIConversation(
+		ctx,
+		convo,
+		requester,
+		filters,
+		mutes,
+	)
+	if err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	b, err := json.MarshalIndent(apiConvo, "", "  ")
+	if err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	// One other account is involved, so they
+	// should in the "accounts" field and not us.
+	suite.Equal(`{
+  "id": "01J9C6K86PKZ5GY5WXV94DGH6R",
+  "unread": true,
+  "accounts": [
+    {
+      "id": "01F8MH5NBDF2MV7CTC4Q5128HF",
+      "username": "1happyturtle",
+      "acct": "1happyturtle",
+      "display_name": "happy little turtle :3",
+      "locked": true,
+      "discoverable": false,
+      "bot": false,
+      "created_at": "2022-06-04T13:12:00.000Z",
+      "note": "\u003cp\u003ei post about things that concern me\u003c/p\u003e",
+      "url": "http://localhost:8080/@1happyturtle",
+      "avatar": "",
+      "avatar_static": "",
+      "header": "http://localhost:8080/assets/default_header.webp",
+      "header_static": "http://localhost:8080/assets/default_header.webp",
+      "followers_count": 1,
+      "following_count": 1,
+      "statuses_count": 8,
+      "last_status_at": "2021-07-28T08:40:37.000Z",
+      "emojis": [],
+      "fields": [
+        {
+          "name": "should you follow me?",
+          "value": "maybe!",
+          "verified_at": null
+        },
+        {
+          "name": "age",
+          "value": "120",
+          "verified_at": null
+        }
+      ],
+      "hide_collections": true
+    }
+  ],
+  "last_status": {
+    "id": "01F8MHAMCHF6Y650WCRSCP4WMY",
+    "created_at": "2021-10-20T10:40:37.000Z",
+    "in_reply_to_id": null,
+    "in_reply_to_account_id": null,
+    "sensitive": true,
+    "spoiler_text": "introduction post",
+    "visibility": "public",
+    "language": "en",
+    "uri": "http://localhost:8080/users/the_mighty_zork/statuses/01F8MHAMCHF6Y650WCRSCP4WMY",
+    "url": "http://localhost:8080/@the_mighty_zork/statuses/01F8MHAMCHF6Y650WCRSCP4WMY",
+    "replies_count": 2,
+    "reblogs_count": 1,
+    "favourites_count": 1,
+    "favourited": false,
+    "reblogged": false,
+    "muted": false,
+    "bookmarked": false,
+    "pinned": false,
+    "content": "hello everyone!",
+    "reblog": null,
+    "application": {
+      "name": "really cool gts application",
+      "website": "https://reallycool.app"
+    },
+    "account": {
+      "id": "01F8MH1H7YV1Z7D2C8K2730QBF",
+      "username": "the_mighty_zork",
+      "acct": "the_mighty_zork",
+      "display_name": "original zork (he/they)",
+      "locked": false,
+      "discoverable": true,
+      "bot": false,
+      "created_at": "2022-05-20T11:09:18.000Z",
+      "note": "\u003cp\u003ehey yo this is my profile!\u003c/p\u003e",
+      "url": "http://localhost:8080/@the_mighty_zork",
+      "avatar": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/avatar/original/01F8MH58A357CV5K7R7TJMSH6S.jpg",
+      "avatar_static": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/avatar/small/01F8MH58A357CV5K7R7TJMSH6S.webp",
+      "avatar_description": "a green goblin looking nasty",
+      "header": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/header/original/01PFPMWK2FF0D9WMHEJHR07C3Q.jpg",
+      "header_static": "http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/header/small/01PFPMWK2FF0D9WMHEJHR07C3Q.webp",
+      "header_description": "A very old-school screenshot of the original team fortress mod for quake",
+      "followers_count": 2,
+      "following_count": 2,
+      "statuses_count": 8,
+      "last_status_at": "2024-01-10T09:24:00.000Z",
+      "emojis": [],
+      "fields": [],
+      "enable_rss": true
+    },
+    "media_attachments": [],
+    "mentions": [],
+    "tags": [],
+    "emojis": [],
+    "card": null,
+    "poll": null,
+    "text": "hello everyone!",
+    "interaction_policy": {
+      "can_favourite": {
+        "always": [
+          "public",
+          "me"
+        ],
+        "with_approval": []
+      },
+      "can_reply": {
+        "always": [
+          "public",
+          "me"
+        ],
+        "with_approval": []
+      },
+      "can_reblog": {
+        "always": [
+          "public",
+          "me"
+        ],
+        "with_approval": []
+      }
+    }
+  }
+}`, string(b))
+}
+
 func TestInternalToFrontendTestSuite(t *testing.T) {
 	suite.Run(t, new(InternalToFrontendTestSuite))
 }