// 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)
}
// 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)
}
// 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,
},
})
}