474 lines
17 KiB
Go
474 lines
17 KiB
Go
package handler
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import (
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"blackforestbytes.com/simplecloudnotifier/api/apierr"
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"blackforestbytes.com/simplecloudnotifier/api/ginresp"
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ct "blackforestbytes.com/simplecloudnotifier/db/cursortoken"
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"blackforestbytes.com/simplecloudnotifier/logic"
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"blackforestbytes.com/simplecloudnotifier/models"
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"database/sql"
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"errors"
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"fmt"
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"gogs.mikescher.com/BlackForestBytes/goext/ginext"
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"gogs.mikescher.com/BlackForestBytes/goext/langext"
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"gogs.mikescher.com/BlackForestBytes/goext/mathext"
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"net/http"
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"strings"
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)
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// ListChannels swaggerdoc
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//
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// @Summary List channels of a user (subscribed/owned/all)
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// @Description The possible values for 'selector' are:
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// @Description - "owned" Return all channels of the user
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// @Description - "subscribed" Return all channels that the user is subscribing to
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// @Description - "all" Return channels that the user owns or is subscribing
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// @Description - "subscribed_any" Return all channels that the user is subscribing to (even unconfirmed)
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// @Description - "all_any" Return channels that the user owns or is subscribing (even unconfirmed)
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//
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// @ID api-channels-list
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// @Tags API-v2
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//
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// @Param uid path string true "UserID"
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// @Param selector query string false "Filter channels (default: owned)" Enums(owned, subscribed, all, subscribed_any, all_any)
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//
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// @Success 200 {object} handler.ListChannels.response
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// @Failure 400 {object} ginresp.apiError "supplied values/parameters cannot be parsed / are invalid"
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// @Failure 401 {object} ginresp.apiError "user is not authorized / has missing permissions"
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// @Failure 500 {object} ginresp.apiError "internal server error"
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//
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// @Router /api/v2/users/{uid}/channels [GET]
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func (h APIHandler) ListChannels(pctx ginext.PreContext) ginext.HTTPResponse {
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type uri struct {
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UserID models.UserID `uri:"uid" binding:"entityid"`
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}
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type query struct {
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Selector *string `json:"selector" form:"selector" enums:"owned,subscribed_any,all_any,subscribed,all"`
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}
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type response struct {
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Channels []models.ChannelWithSubscription `json:"channels"`
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}
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var u uri
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var q query
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ctx, g, errResp := pctx.URI(&u).Query(&q).Start()
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if errResp != nil {
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return *errResp
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}
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defer ctx.Cancel()
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return h.app.DoRequest(ctx, g, func(ctx *logic.AppContext, finishSuccess func(r ginext.HTTPResponse) ginext.HTTPResponse) ginext.HTTPResponse {
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if permResp := ctx.CheckPermissionUserRead(u.UserID); permResp != nil {
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return *permResp
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}
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sel := strings.ToLower(langext.Coalesce(q.Selector, "owned"))
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if sel == "owned" {
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channels, err := h.database.ListChannelsByOwner(ctx, u.UserID, u.UserID)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channels", err)
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}
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return finishSuccess(ginext.JSONWithFilter(http.StatusOK, response{Channels: channels}, "INCLUDE_KEY"))
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} else if sel == "subscribed_any" {
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channels, err := h.database.ListChannelsBySubscriber(ctx, u.UserID, nil)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channels", err)
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}
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return finishSuccess(ginext.JSON(http.StatusOK, response{Channels: channels}))
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} else if sel == "all_any" {
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channels, err := h.database.ListChannelsByAccess(ctx, u.UserID, nil)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channels", err)
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}
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return finishSuccess(ginext.JSON(http.StatusOK, response{Channels: channels}))
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} else if sel == "subscribed" {
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channels, err := h.database.ListChannelsBySubscriber(ctx, u.UserID, langext.Ptr(true))
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channels", err)
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}
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return finishSuccess(ginext.JSON(http.StatusOK, response{Channels: channels}))
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} else if sel == "all" {
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channels, err := h.database.ListChannelsByAccess(ctx, u.UserID, langext.Ptr(true))
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channels", err)
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}
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return finishSuccess(ginext.JSON(http.StatusOK, response{Channels: channels}))
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} else {
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return ginresp.APIError(g, 400, apierr.INVALID_ENUM_VALUE, "Invalid value for the [selector] parameter", nil)
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}
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})
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}
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// GetChannel swaggerdoc
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//
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// @Summary Get a single channel
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// @ID api-channels-get
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// @Tags API-v2
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//
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// @Param uid path string true "UserID"
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// @Param cid path string true "ChannelID"
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//
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// @Success 200 {object} models.ChannelWithSubscription
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// @Failure 400 {object} ginresp.apiError "supplied values/parameters cannot be parsed / are invalid"
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// @Failure 401 {object} ginresp.apiError "user is not authorized / has missing permissions"
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// @Failure 404 {object} ginresp.apiError "channel not found"
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// @Failure 500 {object} ginresp.apiError "internal server error"
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//
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// @Router /api/v2/users/{uid}/channels/{cid} [GET]
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func (h APIHandler) GetChannel(pctx ginext.PreContext) ginext.HTTPResponse {
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type uri struct {
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UserID models.UserID `uri:"uid" binding:"entityid"`
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ChannelID models.ChannelID `uri:"cid" binding:"entityid"`
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}
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var u uri
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ctx, g, errResp := pctx.URI(&u).Start()
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if errResp != nil {
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return *errResp
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}
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defer ctx.Cancel()
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return h.app.DoRequest(ctx, g, func(ctx *logic.AppContext, finishSuccess func(r ginext.HTTPResponse) ginext.HTTPResponse) ginext.HTTPResponse {
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if permResp := ctx.CheckPermissionUserRead(u.UserID); permResp != nil {
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return *permResp
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}
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channel, err := h.database.GetChannel(ctx, u.UserID, u.ChannelID, true)
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if errors.Is(err, sql.ErrNoRows) {
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return ginresp.APIError(g, 404, apierr.CHANNEL_NOT_FOUND, "Channel not found", err)
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}
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channel", err)
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}
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return finishSuccess(ginext.JSONWithFilter(http.StatusOK, channel, "INCLUDE_KEY"))
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})
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}
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// CreateChannel swaggerdoc
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//
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// @Summary Create a new (empty) channel
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// @ID api-channels-create
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// @Tags API-v2
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//
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// @Param uid path string true "UserID"
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// @Param post_body body handler.CreateChannel.body false " "
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//
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// @Success 200 {object} models.ChannelWithSubscription
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// @Failure 400 {object} ginresp.apiError "supplied values/parameters cannot be parsed / are invalid"
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// @Failure 401 {object} ginresp.apiError "user is not authorized / has missing permissions"
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// @Failure 409 {object} ginresp.apiError "channel already exists"
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// @Failure 500 {object} ginresp.apiError "internal server error"
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//
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// @Router /api/v2/users/{uid}/channels [POST]
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func (h APIHandler) CreateChannel(pctx ginext.PreContext) ginext.HTTPResponse {
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type uri struct {
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UserID models.UserID `uri:"uid" binding:"entityid"`
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}
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type body struct {
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Name string `json:"name"`
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Subscribe *bool `json:"subscribe"`
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Description *string `json:"description"`
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}
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var u uri
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var b body
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ctx, g, errResp := pctx.URI(&u).Body(&b).Start()
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if errResp != nil {
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return *errResp
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}
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defer ctx.Cancel()
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return h.app.DoRequest(ctx, g, func(ctx *logic.AppContext, finishSuccess func(r ginext.HTTPResponse) ginext.HTTPResponse) ginext.HTTPResponse {
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if permResp := ctx.CheckPermissionUserAdmin(u.UserID); permResp != nil {
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return *permResp
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}
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if b.Name == "" {
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return ginresp.APIError(g, 400, apierr.INVALID_BODY_PARAM, "Missing parameter: name", nil)
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}
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channelDisplayName := h.app.NormalizeChannelDisplayName(b.Name)
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channelInternalName := h.app.NormalizeChannelInternalName(b.Name)
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channelExisting, err := h.database.GetChannelByName(ctx, u.UserID, channelInternalName)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channel", err)
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}
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user, err := h.database.GetUser(ctx, u.UserID)
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if errors.Is(err, sql.ErrNoRows) {
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return ginresp.APIError(g, 400, apierr.USER_NOT_FOUND, "User not found", nil)
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}
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query user", err)
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}
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if len(channelDisplayName) > user.MaxChannelNameLength() {
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return ginresp.APIError(g, 400, apierr.CHANNEL_TOO_LONG, fmt.Sprintf("Channel too long (max %d characters)", user.MaxChannelNameLength()), nil)
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}
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if len(strings.TrimSpace(channelDisplayName)) == 0 {
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return ginresp.APIError(g, 400, apierr.CHANNEL_NAME_EMPTY, fmt.Sprintf("Channel displayname cannot be empty"), nil)
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}
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if len(channelInternalName) > user.MaxChannelNameLength() {
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return ginresp.APIError(g, 400, apierr.CHANNEL_TOO_LONG, fmt.Sprintf("Channel too long (max %d characters)", user.MaxChannelNameLength()), nil)
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}
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if len(strings.TrimSpace(channelInternalName)) == 0 {
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return ginresp.APIError(g, 400, apierr.CHANNEL_NAME_EMPTY, fmt.Sprintf("Channel internalname cannot be empty"), nil)
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}
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if channelExisting != nil {
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return ginresp.APIError(g, 409, apierr.CHANNEL_ALREADY_EXISTS, "Channel with this name already exists", nil)
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}
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subscribeKey := h.app.GenerateRandomAuthKey()
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channel, err := h.database.CreateChannel(ctx, u.UserID, channelDisplayName, channelInternalName, subscribeKey, b.Description)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to create channel", err)
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}
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if langext.Coalesce(b.Subscribe, true) {
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sub, err := h.database.CreateSubscription(ctx, u.UserID, channel, true)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to create subscription", err)
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}
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return finishSuccess(ginext.JSONWithFilter(http.StatusOK, channel.WithSubscription(langext.Ptr(sub)), "INCLUDE_KEY"))
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} else {
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return finishSuccess(ginext.JSONWithFilter(http.StatusOK, channel.WithSubscription(nil), "INCLUDE_KEY"))
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}
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})
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}
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// UpdateChannel swaggerdoc
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//
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// @Summary (Partially) update a channel
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// @ID api-channels-update
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// @Tags API-v2
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//
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// @Param uid path string true "UserID"
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// @Param cid path string true "ChannelID"
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//
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// @Param subscribe_key body string false "Send `true` to create a new subscribe_key"
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// @Param send_key body string false "Send `true` to create a new send_key"
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// @Param display_name body string false "Change the cahnnel display-name (only chnages to lowercase/uppercase are allowed - internal_name must stay the same)"
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//
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// @Success 200 {object} models.ChannelWithSubscription
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// @Failure 400 {object} ginresp.apiError "supplied values/parameters cannot be parsed / are invalid"
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// @Failure 401 {object} ginresp.apiError "user is not authorized / has missing permissions"
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// @Failure 404 {object} ginresp.apiError "channel not found"
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// @Failure 500 {object} ginresp.apiError "internal server error"
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//
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// @Router /api/v2/users/{uid}/channels/{cid} [PATCH]
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func (h APIHandler) UpdateChannel(pctx ginext.PreContext) ginext.HTTPResponse {
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type uri struct {
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UserID models.UserID `uri:"uid" binding:"entityid"`
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ChannelID models.ChannelID `uri:"cid" binding:"entityid"`
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}
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type body struct {
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RefreshSubscribeKey *bool `json:"subscribe_key"`
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DisplayName *string `json:"display_name"`
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DescriptionName *string `json:"description_name"`
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}
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var u uri
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var b body
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ctx, g, errResp := pctx.URI(&u).Body(&b).Start()
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if errResp != nil {
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return *errResp
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}
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defer ctx.Cancel()
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return h.app.DoRequest(ctx, g, func(ctx *logic.AppContext, finishSuccess func(r ginext.HTTPResponse) ginext.HTTPResponse) ginext.HTTPResponse {
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if permResp := ctx.CheckPermissionUserAdmin(u.UserID); permResp != nil {
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return *permResp
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}
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_, err := h.database.GetChannel(ctx, u.UserID, u.ChannelID, true)
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if errors.Is(err, sql.ErrNoRows) {
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return ginresp.APIError(g, 404, apierr.CHANNEL_NOT_FOUND, "Channel not found", err)
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}
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channel", err)
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}
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user, err := h.database.GetUser(ctx, u.UserID)
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if errors.Is(err, sql.ErrNoRows) {
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return ginresp.APIError(g, 400, apierr.USER_NOT_FOUND, "User not found", nil)
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}
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query user", err)
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}
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if langext.Coalesce(b.RefreshSubscribeKey, false) {
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newkey := h.app.GenerateRandomAuthKey()
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err := h.database.UpdateChannelSubscribeKey(ctx, u.ChannelID, newkey)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to update channel", err)
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}
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}
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if b.DisplayName != nil {
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newDisplayName := h.app.NormalizeChannelDisplayName(*b.DisplayName)
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if len(newDisplayName) > user.MaxChannelNameLength() {
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return ginresp.APIError(g, 400, apierr.CHANNEL_TOO_LONG, fmt.Sprintf("Channel too long (max %d characters)", user.MaxChannelNameLength()), nil)
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}
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if len(strings.TrimSpace(newDisplayName)) == 0 {
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return ginresp.APIError(g, 400, apierr.CHANNEL_NAME_EMPTY, fmt.Sprintf("Channel displayname cannot be empty"), nil)
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}
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err := h.database.UpdateChannelDisplayName(ctx, u.ChannelID, newDisplayName)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to update channel", err)
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}
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}
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if b.DescriptionName != nil {
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var descName *string = nil
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if strings.TrimSpace(*b.DescriptionName) != "" {
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descName = langext.Ptr(strings.TrimSpace(*b.DescriptionName))
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}
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if descName != nil && len(*descName) > user.MaxChannelDescriptionLength() {
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return ginresp.APIError(g, 400, apierr.CHANNEL_DESCRIPTION_TOO_LONG, fmt.Sprintf("Channel-Description too long (max %d characters)", user.MaxChannelDescriptionLength()), nil)
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}
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err := h.database.UpdateChannelDescriptionName(ctx, u.ChannelID, descName)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to update channel", err)
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}
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}
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channel, err := h.database.GetChannel(ctx, u.UserID, u.ChannelID, true)
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query (updated) channel", err)
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}
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return finishSuccess(ginext.JSONWithFilter(http.StatusOK, channel, "INCLUDE_KEY"))
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})
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}
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// ListChannelMessages swaggerdoc
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//
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// @Summary List messages of a channel
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// @Description The next_page_token is an opaque token, the special value "@start" (or empty-string) is the beginning and "@end" is the end
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// @Description Simply start the pagination without a next_page_token and get the next page by calling this endpoint with the returned next_page_token of the last query
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// @Description If there are no more entries the token "@end" will be returned
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// @Description By default we return long messages with a trimmed body, if trimmed=false is supplied we return full messages (this reduces the max page_size)
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// @ID api-channel-messages
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// @Tags API-v2
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//
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// @Param query_data query handler.ListChannelMessages.query false " "
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// @Param uid path string true "UserID"
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// @Param cid path string true "ChannelID"
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//
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// @Success 200 {object} handler.ListChannelMessages.response
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// @Failure 400 {object} ginresp.apiError "supplied values/parameters cannot be parsed / are invalid"
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// @Failure 401 {object} ginresp.apiError "user is not authorized / has missing permissions"
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// @Failure 404 {object} ginresp.apiError "channel not found"
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// @Failure 500 {object} ginresp.apiError "internal server error"
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//
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// @Router /api/v2/users/{uid}/channels/{cid}/messages [GET]
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func (h APIHandler) ListChannelMessages(pctx ginext.PreContext) ginext.HTTPResponse {
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type uri struct {
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ChannelUserID models.UserID `uri:"uid" binding:"entityid"`
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ChannelID models.ChannelID `uri:"cid" binding:"entityid"`
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}
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type query struct {
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PageSize *int `json:"page_size" form:"page_size"`
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NextPageToken *string `json:"next_page_token" form:"next_page_token"`
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Filter *string `json:"filter" form:"filter"`
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Trimmed *bool `json:"trimmed" form:"trimmed"`
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}
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type response struct {
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Messages []models.Message `json:"messages"`
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NextPageToken string `json:"next_page_token"`
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PageSize int `json:"page_size"`
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}
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var u uri
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var q query
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ctx, g, errResp := pctx.URI(&u).Query(&q).Start()
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if errResp != nil {
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return *errResp
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}
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defer ctx.Cancel()
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return h.app.DoRequest(ctx, g, func(ctx *logic.AppContext, finishSuccess func(r ginext.HTTPResponse) ginext.HTTPResponse) ginext.HTTPResponse {
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trimmed := langext.Coalesce(q.Trimmed, true)
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maxPageSize := langext.Conditional(trimmed, 16, 256)
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pageSize := mathext.Clamp(langext.Coalesce(q.PageSize, 64), 1, maxPageSize)
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channel, err := h.database.GetChannel(ctx, u.ChannelUserID, u.ChannelID, false)
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if errors.Is(err, sql.ErrNoRows) {
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return ginresp.APIError(g, 404, apierr.CHANNEL_NOT_FOUND, "Channel not found", err)
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}
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if err != nil {
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return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query channel", err)
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}
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if permResp := ctx.CheckPermissionChanMessagesRead(channel.Channel); permResp != nil {
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return *permResp
|
|
}
|
|
|
|
tok, err := ct.Decode(langext.Coalesce(q.NextPageToken, ""))
|
|
if err != nil {
|
|
return ginresp.APIError(g, 400, apierr.PAGETOKEN_ERROR, "Failed to decode next_page_token", err)
|
|
}
|
|
|
|
filter := models.MessageFilter{
|
|
ChannelID: langext.Ptr([]models.ChannelID{channel.ChannelID}),
|
|
}
|
|
|
|
messages, npt, err := h.database.ListMessages(ctx, filter, &pageSize, tok)
|
|
if err != nil {
|
|
return ginresp.APIError(g, 500, apierr.DATABASE_ERROR, "Failed to query messages", err)
|
|
}
|
|
|
|
if trimmed {
|
|
res := langext.ArrMap(messages, func(v models.Message) models.Message { return v.Trim() })
|
|
return finishSuccess(ginext.JSON(http.StatusOK, response{Messages: res, NextPageToken: npt.Token(), PageSize: pageSize}))
|
|
} else {
|
|
return finishSuccess(ginext.JSON(http.StatusOK, response{Messages: messages, NextPageToken: npt.Token(), PageSize: pageSize}))
|
|
}
|
|
|
|
})
|
|
}
|