Notifications (#34)

Notifications working for:

* Mentions
* Faves
* New follow requests
* New followers

internal/api/client/notification/notification.go

@@ -0,0 +1,66 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package notification
+
+import (
+	"net/http"
+
+	"github.com/sirupsen/logrus"
+	"github.com/superseriousbusiness/gotosocial/internal/api"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/message"
+	"github.com/superseriousbusiness/gotosocial/internal/router"
+)
+
+const (
+	// IDKey is for notification UUIDs
+	IDKey = "id"
+	// BasePath is the base path for serving the notification API
+	BasePath = "/api/v1/notifications"
+	// BasePathWithID is just the base path with the ID key in it.
+	// Use this anywhere you need to know the ID of the notification being queried.
+	BasePathWithID = BasePath + "/:" + IDKey
+
+	// MaxIDKey is the url query for setting a max notification ID to return
+	MaxIDKey = "max_id"
+	// Limit key is for specifying maximum number of notifications to return.
+	LimitKey = "limit"
+)
+
+// Module implements the ClientAPIModule interface for every related to posting/deleting/interacting with notifications
+type Module struct {
+	config    *config.Config
+	processor message.Processor
+	log       *logrus.Logger
+}
+
+// New returns a new notification module
+func New(config *config.Config, processor message.Processor, log *logrus.Logger) api.ClientModule {
+	return &Module{
+		config:    config,
+		processor: processor,
+		log:       log,
+	}
+}
+
+// Route attaches all routes from this module to the given router
+func (m *Module) Route(r router.Router) error {
+	r.AttachHandler(http.MethodGet, BasePath, m.NotificationsGETHandler)
+	return nil
+}

internal/api/client/notification/notificationsget.go

@@ -0,0 +1,72 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package notification
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	"github.com/sirupsen/logrus"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+)
+
+func (m *Module) NotificationsGETHandler(c *gin.Context) {
+	l := m.log.WithFields(logrus.Fields{
+		"func":        "NotificationsGETHandler",
+		"request_uri": c.Request.RequestURI,
+		"user_agent":  c.Request.UserAgent(),
+		"origin_ip":   c.ClientIP(),
+	})
+	l.Debugf("entering function")
+
+	authed, err := oauth.Authed(c, true, true, true, true) // we don't really need an app here but we want everything else
+	if err != nil {
+		l.Errorf("error authing status faved by request: %s", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "not authed"})
+		return
+	}
+
+	limit := 20
+	limitString := c.Query(LimitKey)
+	if limitString != "" {
+		i, err := strconv.ParseInt(limitString, 10, 64)
+		if err != nil {
+			l.Debugf("error parsing limit string: %s", err)
+			c.JSON(http.StatusBadRequest, gin.H{"error": "couldn't parse limit query param"})
+			return
+		}
+		limit = int(i)
+	}
+
+	maxID := ""
+	maxIDString := c.Query(MaxIDKey)
+	if maxIDString != "" {
+		maxID = maxIDString
+	}
+
+	notifs, errWithCode := m.processor.NotificationsGet(authed, limit, maxID)
+	if errWithCode != nil {
+		l.Debugf("error processing notifications get: %s", errWithCode.Error())
+		c.JSON(errWithCode.Code(), gin.H{"error": errWithCode.Safe()})
+		return
+	}
+
+	c.JSON(http.StatusOK, notifs)
+}

internal/api/model/notification.go

@@ -41,5 +41,5 @@ type Notification struct {
 	// OPTIONAL
 
 	// Status that was the object of the notification, e.g. in mentions, reblogs, favourites, or polls.
-	Status *Status `json:"status"`
+	Status *Status `json:"status,omitempty"`
 }

internal/api/model/status.go

@@ -31,7 +31,7 @@ type Status struct {
 	// Is this status marked as sensitive content?
 	Sensitive bool `json:"sensitive"`
 	// Subject or summary line, below which status content is collapsed until expanded.
-	SpoilerText string `json:"spoiler_text,omitempty"`
+	SpoilerText string `json:"spoiler_text"`
 	// Visibility of this status.
 	Visibility Visibility `json:"visibility"`
 	// Primary language of this status. (ISO 639 Part 1 two-letter language code)

internal/db/db.go

@@ -284,6 +284,8 @@ type DB interface {
 	// It will use the given filters and try to return as many statuses up to the limit as possible.
 	GetHomeTimelineForAccount(accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, error)
 
+	GetNotificationsForAccount(accountID string, limit int, maxID string) ([]*gtsmodel.Notification, error)
+
 	/*
 		USEFUL CONVERSION FUNCTIONS
 	*/

internal/db/pg/pg.go

@@ -1138,6 +1138,35 @@ func (ps *postgresService) GetHomeTimelineForAccount(accountID string, maxID str
 	return statuses, nil
 }
 
+func (ps *postgresService) GetNotificationsForAccount(accountID string, limit int, maxID string) ([]*gtsmodel.Notification, error) {
+	notifications := []*gtsmodel.Notification{}
+
+	q := ps.conn.Model(&notifications).Where("target_account_id = ?", accountID)
+
+
+	if maxID != "" {
+		n := &gtsmodel.Notification{}
+		if err := ps.conn.Model(n).Where("id = ?", maxID).Select(); err != nil {
+			return nil, err
+		}
+		q = q.Where("created_at < ?", n.CreatedAt)
+	}
+
+	if limit != 0 {
+		q = q.Limit(limit)
+	}
+
+	q = q.Order("created_at DESC")
+
+	if err := q.Select(); err != nil {
+		if err != pg.ErrNoRows {
+			return nil, err
+		}
+
+	}
+	return notifications, nil
+}
+
 /*
 	CONVERSION FUNCTIONS
 */