// get a service
func (c *ServiceController) Get(params martini.Params, res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
service, found, err := models.FindServiceByObjectID(db.GetPostgresHandle(), params["id"])
if !found {
services.Res(res).Error(404, "not_found", "service was not found")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
respObj, _ := services.StructToJsonToMap(service)
services.Res(res).Json(respObj)
}
// get an identity
func (c *IdentityController) Get(params martini.Params, res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
identity, found, err := models.FindIdentityByObjectID(db.GetPostgresHandle(), params["id"])
if !found {
services.Res(res).Error(404, "not_found", "identity was not found")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// create response
respObj, _ := services.StructToJsonToMap(identity)
if identity.Issuer {
respObj["soul_balance"] = identity.SoulBalance
}
services.Res(res).Json(respObj)
}
// get an object by its id or pin
func (c *ObjectController) Get(params martini.Params, res http.ResponseWriter, req services.AuxRequestContext, log *config.CustomLog, db *services.DB) {
dbObj := db.GetPostgresHandle()
object, found, err := models.FindObjectByObjectIDOrPin(dbObj, params["id"])
if !found {
services.Res(res).Error(404, "not_found", "object was not found")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// construct response. remove private fields
respObj, _ := services.StructToJsonToMap(object)
delete(respObj["wallet"].(map[string]interface{})["identity"].(map[string]interface{}), "soul_balance")
delete(respObj["wallet"].(map[string]interface{})["identity"].(map[string]interface{}), "email")
delete(respObj["service"].(map[string]interface{})["identity"].(map[string]interface{}), "soul_balance")
delete(respObj["service"].(map[string]interface{})["identity"].(map[string]interface{}), "email")
services.Res(res).Json(respObj)
}
// generate and return client_credentials token
func (c *AuthController) GetClientCredentialToken(res http.ResponseWriter, req services.AuxRequestContext, log *config.CustomLog, db *services.DB) {
// get base64 encoded credentials
base64Credential := services.StringSplit(req.Header.Get("Authorization"), " ")[1]
base64CredentialDecoded := services.DecodeB64(base64Credential)
credentials := services.StringSplit(base64CredentialDecoded, ":")
// check if requesting client is a back service id
if credentials[0] == BackOfficeId && credentials[1] == BackOfficeSecret {
exp := int64(0)
token, err := createJWTToken("", true, exp)
if err != nil {
log.Error(err)
services.Res(res).Error(500, "", "server error")
return
}
// create and save new token
newToken := models.Token{
Token: token,
Type: "bearer",
ExpiresIn: time.Time{},
CreatedAt: time.Now().UTC(),
UpdatedAt: time.Now().UTC(),
}
// persist token
err = models.CreateToken(db.GetPostgresHandle(), &newToken)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
services.Res(res).Json(newToken)
return
}
// find service by client id
service, found, err := models.FindServiceByClientId(db.GetPostgresHandle(), credentials[0])
if !found && err == nil {
log.Error(err)
services.Res(res).Error(404, "", "service not found")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// compare secret
if credentials[1] != service.ClientSecret {
log.Error(err)
services.Res(res).Error(401, "", "service credentials are invalid. ensure client id and secret are valid")
return
}
// create access token
exp := time.Now().Add(time.Hour * 1)
token, err := createJWTToken(service.ObjectID, false, exp.UTC().Unix())
if err != nil {
log.Error(err)
services.Res(res).Error(500, "", "server error")
return
}
// create and save new token
newToken := models.Token{
Service: service,
Token: token,
Type: "bearer",
ExpiresIn: exp.UTC(),
CreatedAt: time.Now().UTC(),
UpdatedAt: time.Now().UTC(),
}
// persist token
err = models.CreateToken(db.GetPostgresHandle(), &newToken)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
respObj, _ := services.StructToJsonToMap(newToken)
respObj["service"] = services.DeleteKeys(respObj["service"].(map[string]interface{}), "client_id", "client_secret")
services.Res(res).Json(respObj)
}
// create a service
func (c *ServiceController) Create(res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse request body
var body createBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_client", "request body is invalid or malformed. Expects valid json body")
return
}
// name is required
if c.validate.IsEmpty(body.FullName) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: full_name")
return
}
// full name must have max of 60 characters
if !validator.StringLength(body.FullName, "1", "60") {
services.Res(res).Error(400, "invalid_full_name", "full_name character limit is 60")
return
}
// service name is required
if c.validate.IsEmpty(body.ServiceName) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: service_name")
return
}
// service name must have max of 30 characters
if !validator.StringLength(body.ServiceName, "1", "60") {
services.Res(res).Error(400, "invalid_service_name", "service_name character limit is 60")
return
}
// description is required
if c.validate.IsEmpty(body.Description) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: description")
return
}
// description must have max of 140 characters
if !validator.StringLength(body.Description, "1", "140") {
services.Res(res).Error(400, "invalid_description", "description character limit is 140")
return
}
// email is required
if c.validate.IsEmpty(body.Email) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: email")
return
}
// email must be valid
if !validator.IsEmail(body.Email) {
services.Res(res).Error(400, "invalid_email", "email is invalid")
return
}
// create identity
newIdentity := &models.Identity{
ObjectID: bson.NewObjectId().Hex(),
FullName: body.FullName,
Email: body.Email,
}
// start db transaction
dbTx := db.GetPostgresHandle().Begin()
if err := models.CreateIdentity(dbTx, newIdentity); err != nil {
dbTx.Rollback()
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// create client credentials
clientId := services.GetRandString(services.GetRandNumRange(32, 42))
clientSecret := services.GetRandString(services.GetRandNumRange(32, 42))
// create new service object
newService := models.Service{
ObjectID: bson.NewObjectId().Hex(),
Name: body.ServiceName,
Description: body.Description,
ClientID: clientId,
ClientSecret: clientSecret,
Identity: newIdentity,
}
// create service
err := models.CreateService(dbTx, &newService)
if err != nil {
dbTx.Rollback()
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// commit db transaction
dbTx.Commit()
// send response
respObj, _ := services.StructToJsonToMap(newService)
services.Res(res).Json(respObj)
}
// enable a service to issuer status
func (c *ServiceController) EnableIssuer(params martini.Params, res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse request body
var body enableIssuerBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_client", "request body is invalid or malformed. Expects valid json body")
return
}
// service id is required
if c.validate.IsEmpty(body.ServiceID) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: service_id")
return
}
// ensure service exists
service, found, err := models.FindServiceByObjectID(db.GetPostgresHandle(), body.ServiceID)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
} else if !found {
services.Res(res).Error(404, "not_found", "service was not found")
return
}
// object name is required
if c.validate.IsEmpty(body.ObjectName) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: object_name")
return
}
// ensure no other service has used the object name
identity, found, err := models.FindIdentityByObjectName(db.GetPostgresHandle(), body.ObjectName)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
} else if found && identity.ObjectID != service.Identity.ObjectID {
services.Res(res).Error(400, "invalid_object_name", "object name is not available, try a unique name")
return
}
// base currency is required
if validator.IsNull(body.BaseCurrency) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: base_currency")
return
}
// base currency must be supported
if !services.StringInStringSlice(config.SupportedBaseCurrencies, body.BaseCurrency) {
services.Res(res).Error(400, "invalid_base_currency", "base currency is unknown")
return
}
// set issuer to true
service.Identity.Issuer = true
service.Identity.ObjectName = strings.ToLower(body.ObjectName)
service.Identity.BaseCurrency = body.BaseCurrency
db.GetPostgresHandle().Save(&service)
respObj, _ := services.StructToJsonToMap(service)
respObj["identity"].(map[string]interface{})["soul_balance"] = service.Identity.SoulBalance
services.Res(res).Json(respObj)
}
func PostgresAutoMigration(db *services.DB) {
db.GetPostgresHandle().AutoMigrate(&models.Token{}, &models.Service{}, &models.Identity{}, &models.Wallet{}, &models.Object{})
services.Println("Migration complete!")
}
// create an identity
func (c *IdentityController) Create(res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse request body
var body identityCreateBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_body", "request body is invalid or malformed. Expects valid json body")
return
}
// full name is required
if validator.IsNull(body.FullName) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: full_name")
return
}
// email is required
if validator.IsNull(body.Email) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: email")
return
}
// email is required
if !validator.IsEmail(body.Email) {
services.Res(res).Error(400, "invalid_email", "email is invalid")
return
}
// create identity
newIdentity := models.Identity{
ObjectID: bson.NewObjectId().Hex(),
FullName: body.FullName,
Email: body.Email,
}
// if request is from Issuer controller, set issuer field to true
if d := req.GetData("isIssuer"); d != nil && d.(bool) {
// object is required
if validator.IsNull(body.ObjectName) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: object_name")
return
}
// base currency is required
if validator.IsNull(body.BaseCurrency) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: base_currency")
return
}
// base currency must be supported
if !services.StringInStringSlice(config.SupportedBaseCurrencies, body.BaseCurrency) {
services.Res(res).Error(400, "invalid_base_currency", "base currency is unknown")
return
}
newIdentity.Issuer = true
newIdentity.ObjectName = body.ObjectName
newIdentity.BaseCurrency = body.BaseCurrency
}
err := models.CreateIdentity(db.GetPostgresHandle(), &newIdentity)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// create response
respObj, _ := services.StructToJsonToMap(newIdentity)
if newIdentity.Issuer {
respObj["soul_balance"] = newIdentity.SoulBalance
}
services.Res(res).Json(respObj)
}
// renew an issuer identity soul
func (c *IdentityController) RenewSoul(res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse request body
var body soulRenewBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_body", "request body is invalid or malformed. Expects valid json body")
return
}
// identity id is required
if validator.IsNull(body.IdentityId) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: identity_id")
return
}
// soul balance is required
if body.SoulBalance == 0 {
services.Res(res).Error(400, "missing_parameter", "Missing required field: soul_balance")
return
}
// soul balance must be greater than zero
if body.SoulBalance < MinimumObjectUnit {
services.Res(res).Error(400, "invalid_soul_balance", "Soul balance must be equal or greater than minimum object unit which is 0.00000001")
return
}
// ensure identity exists
identity, found, err := models.FindIdentityByObjectID(db.GetPostgresHandle(), body.IdentityId)
if !found {
services.Res(res).Error(404, "invalid_identity", "identity_id is unknown")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// ensure identity is an issuer
if !identity.Issuer {
services.Res(res).Error(400, "invalid_identity", "identity is not an issuer")
return
}
// add to soul balance
newIdentity, err := models.AddToSoulByObjectID(db.GetPostgresHandle(), identity.ObjectID, body.SoulBalance)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// create response, hide some fields
respObj, _ := services.StructToJsonToMap(newIdentity)
if newIdentity.Issuer {
respObj["soul_balance"] = newIdentity.SoulBalance
}
services.Res(res).Json(respObj)
}
// get counts and other numerical information about the state of a wallet
// e.g object balance and count etc
func (c *WalletController) Numbers(params martini.Params, res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// TODO: get from access token
// authorizing wallet id
authWalletID := "55c679145fe09c74ed000001"
dbCon := db.GetPostgresHandle()
resp := map[string]interface{}{}
query := req.URL.Query()
count := int64(0)
// predefine default query values
query.Set("object_count", "true")
query.Set("distinct_object_count", "true")
query.Set("valuable_object_count", "true")
query.Set("valueless_object_count", "true")
query.Set("valueable_object_balance", "true")
// get wallet
wallet, found, err := models.FindWalletByObjectID(dbCon, params["id"])
if !found {
services.Res(res).Error(404, "not_found", "wallet not found")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// ensure wallet matches authorizing wallet
if wallet.ObjectID != authWalletID {
services.Res(res).Error(401, "unauthorized", "client does not have permission to access wallet")
return
}
// object_count
objectCountField := query.Get("object_count")
if !c.validate.IsEmpty(objectCountField) && services.StringInStringSlice([]string{"true", "false"}, objectCountField) {
if objectCountField == "true" {
q := map[string]interface{}{
"wallet_id": wallet.ID,
}
dbCon.Model(models.Object{}).Where(q).Count(&count)
resp["object_count"] = count
count = 0
}
}
// distinct_object_count
distinctObjectCountField := query.Get("distinct_object_count")
if !c.validate.IsEmpty(distinctObjectCountField) && services.StringInStringSlice([]string{"true", "false"}, distinctObjectCountField) {
if distinctObjectCountField == "true" {
row, err := dbCon.Raw("SELECT COUNT(*) FROM (SELECT DISTINCT service_id FROM objects WHERE wallet_id = ?) AS distinct_object_count;", wallet.ID).Rows()
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
if row.Next() {
row.Scan(&count)
}
resp["distinct_object_count"] = count
count = 0
}
}
// valuable_object_count
valuableObjectCountField := query.Get("valuable_object_count")
if !c.validate.IsEmpty(distinctObjectCountField) && services.StringInStringSlice([]string{"true", "false"}, valuableObjectCountField) {
if valuableObjectCountField == "true" {
q := map[string]interface{}{
"wallet_id": wallet.ID,
"type": models.ObjectValue,
}
dbCon.Model(models.Object{}).Where(q).Count(&count)
resp["valuable_object_count"] = count
count = 0
}
}
// valueless_object_count
valuelessObjectCountField := query.Get("valueless_object_count")
if !c.validate.IsEmpty(valuelessObjectCountField) && services.StringInStringSlice([]string{"true", "false"}, valuelessObjectCountField) {
if valuelessObjectCountField == "true" {
q := map[string]interface{}{
"wallet_id": wallet.ID,
"type": models.ObjectValueless,
}
dbCon.Model(models.Object{}).Where(q).Count(&count)
resp["valueless_object_count"] = count
count = 0
}
}
// valueable_object_balance
valuableObjectBalanceField := query.Get("valueable_object_balance")
if !c.validate.IsEmpty(distinctObjectCountField) && services.StringInStringSlice([]string{"true", "false"}, valuableObjectBalanceField) {
if valuableObjectBalanceField == "true" {
row, err := dbCon.Raw("SELECT SUM(balance) AS total_balance FROM objects WHERE wallet_id = ? AND type = ?;", wallet.ID, models.ObjectValue).Rows()
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
if row.Next() {
row.Scan(&count)
}
resp["valueable_object_balance"] = count
count = 0
}
}
// opened_object_count
openedObjectCountField := query.Get("opened_object_count")
if !c.validate.IsEmpty(openedObjectCountField) && services.StringInStringSlice([]string{"true", "false"}, openedObjectCountField) {
if openedObjectCountField == "true" {
q := map[string]interface{}{
"wallet_id": wallet.ID,
"open": true,
}
dbCon.Model(models.Object{}).Where(q).Count(&count)
resp["opened_object_count"] = count
count = 0
}
}
// locked_object_count
lockedObjectCountField := query.Get("locked_object_count")
if !c.validate.IsEmpty(lockedObjectCountField) && services.StringInStringSlice([]string{"true", "false"}, lockedObjectCountField) {
if lockedObjectCountField == "true" {
q := map[string]interface{}{
"wallet_id": wallet.ID,
"open": false,
}
dbCon.Model(models.Object{}).Where(q).Count(&count)
resp["locked_object_count"] = count
count = 0
}
}
// opened_timed_object_count
openedTimedObjectCountField := query.Get("opened_timed_object_count")
if !c.validate.IsEmpty(openedObjectCountField) && services.StringInStringSlice([]string{"true", "false"}, openedTimedObjectCountField) {
if openedTimedObjectCountField == "true" {
q := map[string]interface{}{
"wallet_id": wallet.ID,
"open": true,
"open_method": models.ObjectOpenTimed,
}
dbCon.Model(models.Object{}).Where(q).Count(&count)
resp["opened_timed_object_count"] = count
count = 0
}
}
// opened_pin_object_count
openedPinObjectCountField := query.Get("opened_pin_object_count")
if !c.validate.IsEmpty(openedPinObjectCountField) && services.StringInStringSlice([]string{"true", "false"}, openedPinObjectCountField) {
if openedPinObjectCountField == "true" {
q := map[string]interface{}{
"wallet_id": wallet.ID,
"open": true,
"open_method": models.ObjectOpenPin,
}
dbCon.Model(models.Object{}).Where(q).Count(&count)
resp["opened_pin_object_count"] = count
count = 0
}
}
services.Res(res).Json(resp)
}
// create a wallet
func (c *WalletController) Create(res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse body
var body walletCreateBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_body", "request body is invalid or malformed. Expects valid json body")
return
}
// identity id is required
if validator.IsNull(body.IdentityId) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: identity_id")
return
}
// handle is required
if validator.IsNull(body.Handle) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: handle")
return
}
// password is required
if validator.IsNull(body.Password) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: password")
return
}
// identity id must exist
identity, found, err := models.FindIdentityByObjectID(db.GetPostgresHandle(), body.IdentityId)
if !found {
services.Res(res).Error(404, "invalid_identity", "identity_id is unknown")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// handle must be unique across wallets
_, found, err = models.FindWalletByHandle(db.GetPostgresHandle(), body.Handle)
if found {
services.Res(res).Error(400, "handle_registered", "handle has been registered to another wallet")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// password length must be 6 characters
if len(body.Password) < 6 {
services.Res(res).Error(400, "invalid_password", "password is too short. minimum length is 6 characters")
return
}
// securely hash password
hashedPassword, err := services.Bcrypt(body.Password, 10)
if err != nil {
c.log.Error("unable to hash password. reason: " + err.Error())
services.Res(res).Error(500, "", "server error")
return
} else {
body.Password = hashedPassword
}
// create wallet object
newWallet := models.Wallet{
ObjectID: bson.NewObjectId().Hex(),
Identity: identity,
Handle: body.Handle,
Password: body.Password,
}
// create wallet
err = models.CreateWallet(db.GetPostgresHandle(), &newWallet)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
respObj, _ := services.StructToJsonToMap(newWallet)
services.Res(res).Json(respObj)
}
// list object
// supports
// - pagination using 'page' query. Use per_page to set the number of results per page. max is 100
// - filters: filter_type, filter_service, filter_open, filter_open_method, filter_gte_date_created
// filter_lte_date_created
// - sorting: sort_balance, sort_date_created
func (c *WalletController) List(params martini.Params, res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// TODO: get from access token
// authorizing wallet id
authWalletID := "55c679145fe09c74ed000001"
dbCon := db.GetPostgresHandle()
// get wallet
wallet, found, err := models.FindWalletByObjectID(dbCon, params["id"])
if !found {
services.Res(res).Error(404, "not_found", "wallet not found")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// ensure wallet matches authorizing wallet
if wallet.ObjectID != authWalletID {
services.Res(res).Error(401, "unauthorized", "client does not have permission to access wallet")
return
}
query := req.URL.Query()
qPage := query.Get("page")
if c.validate.IsEmpty(qPage) {
qPage = "0"
} else if !validator.IsNumeric(qPage) {
services.Res(res).Error(400, "invalid_parameter", "page query value must be numeric")
return
}
q := make(map[string]interface{})
q["wallet_id"] = wallet.ID
order := "id asc"
limitPerPage := int64(2)
offset := int64(0)
currentPage, err := strconv.ParseInt(qPage, 0, 64)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// set limit per page if provided in query
qPerPage := query.Get("per_page")
if !c.validate.IsEmpty(qPerPage) {
if validator.IsNumeric(qPerPage) {
qPerPage, _ := strconv.ParseInt(qPerPage, 0, 64)
if qPerPage > 100 {
qPerPage = 100
} else if qPerPage <= 0 {
qPerPage = limitPerPage
}
limitPerPage = qPerPage
}
}
// set current page default and calculate offset
if currentPage <= 1 {
currentPage = 1
offset = 0
} else {
offset = (int64(limitPerPage) * currentPage) - int64(limitPerPage)
}
// apply type filter if included in query
filterType := query.Get("filter_type")
if !c.validate.IsEmpty(filterType) && services.StringInStringSlice([]string{"obj_value", "obj_valueless"}, filterType) {
q["type"] = filterType
}
// apply service filter if included in query
filterService := query.Get("filter_service")
if !c.validate.IsEmpty(filterService) {
// find service
service, found, err := models.FindServiceByObjectID(db.GetPostgresHandle(), filterService)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
if found {
q["service_id"] = service.ID
}
}
// apply open filter if included in query
filterOpen := query.Get("filter_open")
if !c.validate.IsEmpty(filterOpen) && services.StringInStringSlice([]string{"true", "false"}, filterOpen) {
q["open"] = filterOpen
}
// apply open_method filter if included in query
filterOpenMethod := query.Get("filter_open_method")
if !c.validate.IsEmpty(filterOpenMethod) && services.StringInStringSlice([]string{"open", "open_timed", "open_pin"}, filterOpenMethod) {
q["open_method"] = filterOpenMethod
}
// apply filter_gte_date_created filter if included in query
filterGTEDateCreated := query.Get("filter_gte_date_created")
if !c.validate.IsEmpty(filterGTEDateCreated) {
if validator.IsNumeric(filterGTEDateCreated) {
ts, _ := strconv.ParseInt(filterGTEDateCreated, 0, 64)
dbCon = dbCon.Where("created_at >= ?", services.UnixToTime(ts).UTC().Format(time.RFC3339Nano))
}
}
// apply filter_lte_date_created filter if included in query
filterLTEDateCreated := query.Get("filter_lte_date_created")
if !c.validate.IsEmpty(filterLTEDateCreated) {
if validator.IsNumeric(filterLTEDateCreated) {
ts, _ := strconv.ParseInt(filterLTEDateCreated, 0, 64)
dbCon = dbCon.Where("created_at <= ?", services.UnixToTime(ts).UTC().Format(time.RFC3339Nano))
}
}
// the below connection is used for sorting/ordering
var dbConSort = dbCon
// apply sort_balance sort if included
sortBalance := query.Get("sort_balance")
if !c.validate.IsEmpty(sortBalance) {
orderVal := "asc"
if sortBalance == "-1" {
orderVal = "desc"
}
dbConSort = dbCon.Order("objects.balance " + orderVal)
}
// apply ort_date_created sort if included
sortDateCreated := query.Get("sort_date_created")
if !c.validate.IsEmpty(sortDateCreated) {
orderVal := "asc"
if sortDateCreated == "-1" {
orderVal = "desc"
}
dbConSort = dbConSort.Order("objects.created_at " + orderVal)
}
// find objects associated with wallet
objects := []models.Object{}
var objectsCount int64
// count number of objects. I didnt use dbConSort as count will throw an error
dbCon.Model(models.Object{}).Where(q).Count(&objectsCount)
// set the original db connection to the sort connection
dbCon = dbConSort
// calculate number of pages
numPages := services.Round(float64(objectsCount) / float64(limitPerPage))
// fetch the objects
dbCon.Where(q).Preload("Service.Identity").Preload("Wallet.Identity").Limit(limitPerPage).Offset(offset).Order(order).Find(&objects)
// prepare response
respObj, _ := services.StructToJsonToSlice(objects)
if len(respObj) == 0 {
respObj = []map[string]interface{}{}
}
services.Res(res).Json(map[string]interface{}{
"results": respObj,
"_metadata": map[string]interface{}{
"total_count": objectsCount,
"per_page": limitPerPage,
"page_count": numPages,
"page": currentPage,
},
})
}