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Signed-off-by: Stefano Cappa <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| package api | ||
|
|
||
| import ( | ||
| "api-server/customerrors" | ||
| "api-server/db" | ||
| "api-server/models" | ||
| "api-server/utils" | ||
| "encoding/json" | ||
| "github.com/gin-contrib/sessions" | ||
| "github.com/gin-gonic/gin" | ||
| "go.mongodb.org/mongo-driver/bson" | ||
| "go.mongodb.org/mongo-driver/bson/primitive" | ||
| "go.mongodb.org/mongo-driver/mongo" | ||
| "go.uber.org/zap" | ||
| "golang.org/x/net/context" | ||
| "io" | ||
| "net/http" | ||
| "os" | ||
| "time" | ||
| ) | ||
|
|
||
| type onlineResponse struct { | ||
| UUID string `json:"uuid"` | ||
| APIToken string `json:"apiToken"` | ||
| CreatedAt int64 `json:"createdAt"` | ||
| ModifiedAt int64 `json:"modifiedAt"` | ||
| } | ||
|
|
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| // Online struct | ||
| type Online struct { | ||
| client *mongo.Client | ||
| collDevices *mongo.Collection | ||
| collProfiles *mongo.Collection | ||
| ctx context.Context | ||
| logger *zap.SugaredLogger | ||
| onlineByUUIDURL string | ||
| } | ||
|
|
||
| // NewOnline function | ||
| func NewOnline(ctx context.Context, logger *zap.SugaredLogger, client *mongo.Client) *Online { | ||
| onlineServerURL := os.Getenv("HTTP_ONLINE_SERVER") + ":" + os.Getenv("HTTP_ONLINE_PORT") | ||
| onlineByUUIDURL := onlineServerURL + os.Getenv("HTTP_ONLINE_API") | ||
|
|
||
| return &Online{ | ||
| client: client, | ||
| collDevices: db.GetCollections(client).Devices, | ||
| collProfiles: db.GetCollections(client).Profiles, | ||
| ctx: ctx, | ||
| logger: logger, | ||
| onlineByUUIDURL: onlineByUUIDURL, | ||
| } | ||
| } | ||
|
|
||
| // GetOnline function | ||
| func (handler *Online) GetOnline(c *gin.Context) { | ||
| handler.logger.Info("REST - GET - GetOnline called") | ||
|
|
||
| objectID, errID := primitive.ObjectIDFromHex(c.Param("id")) | ||
| if errID != nil { | ||
| handler.logger.Error("REST - GET - GetOnline - wrong format of the path param 'id'") | ||
| c.JSON(http.StatusBadRequest, gin.H{"error": "wrong format of the path param 'id'"}) | ||
| return | ||
| } | ||
|
|
||
| // retrieve current profile object from database (using session profile as input) | ||
| session := sessions.Default(c) | ||
| profile, err := utils.GetLoggedProfile(handler.ctx, &session, handler.collProfiles) | ||
| if err != nil { | ||
| handler.logger.Error("REST - GET - GetOnline - cannot find profile in session") | ||
| c.JSON(http.StatusUnauthorized, gin.H{"error": "cannot find profile in session"}) | ||
| return | ||
| } | ||
|
|
||
| // check if device is in profile (device owned by profile) | ||
| if !isDeviceInProfile(&profile, objectID) { | ||
| handler.logger.Error("REST - GET - GetOnline - this device is not in your profile") | ||
| c.JSON(http.StatusBadRequest, gin.H{"error": "this device is not in your profile"}) | ||
| return | ||
| } | ||
| // get device from db | ||
| device, err := handler.getDevice(objectID) | ||
| if err != nil { | ||
| handler.logger.Error("REST - GET - GetOnline - cannot find device") | ||
| c.JSON(http.StatusBadRequest, gin.H{"error": "cannot find device"}) | ||
| return | ||
| } | ||
|
|
||
| _, result, err := handler.onlineByUUIDService(handler.onlineByUUIDURL + "/" + device.UUID) | ||
| if err != nil { | ||
| handler.logger.Errorf("REST - GetOnline - cannot get online from remote service = %#v", err) | ||
| if re, ok := err.(*customerrors.ErrorWrapper); ok { | ||
| handler.logger.Errorf("REST - GetOnline - cannot get online with status = %d, message = %s\n", re.Code, re.Message) | ||
| } | ||
| c.JSON(http.StatusInternalServerError, gin.H{"error": "Cannot get online"}) | ||
| return | ||
| } | ||
| handler.logger.Debugf("REST - GetOnline - result = %#v", result) | ||
|
|
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| onlineResp := onlineResponse{} | ||
| err = json.Unmarshal([]byte(result), &onlineResp) | ||
| if err != nil { | ||
| handler.logger.Errorf("REST - GetOnline - cannot unmarshal JSON response from online remote service = %#v", err) | ||
| // TODO manage errors | ||
| } | ||
|
|
||
| response := models.Online{} | ||
| response.UUID = device.UUID | ||
| response.APIToken = onlineResp.APIToken | ||
| response.CreatedAt = time.UnixMilli(onlineResp.CreatedAt) | ||
| response.ModifiedAt = time.UnixMilli(onlineResp.ModifiedAt) | ||
| c.JSON(http.StatusOK, &response) | ||
| } | ||
|
|
||
| // TODO this is equals to the method defined in devices_values | ||
| func (handler *Online) getDevice(deviceID primitive.ObjectID) (models.Device, error) { | ||
| handler.logger.Debug("getDevice - searching device with objectId: ", deviceID) | ||
| var device models.Device | ||
| err := handler.collDevices.FindOne(handler.ctx, bson.M{ | ||
| "_id": deviceID, | ||
| }).Decode(&device) | ||
| handler.logger.Debug("Device found: ", device) | ||
| return device, err | ||
| } | ||
|
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| func (handler *Online) onlineByUUIDService(urlOnline string) (int, string, error) { | ||
| response, err := http.Get(urlOnline) | ||
| if err != nil { | ||
| return -1, "", customerrors.Wrap(http.StatusInternalServerError, err, "Cannot call online service via HTTP") | ||
| } | ||
| defer response.Body.Close() | ||
| body, _ := io.ReadAll(response.Body) | ||
| return response.StatusCode, string(body), nil | ||
| } |
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