//GohanModelFetch fetch gohan resource and running extensions
func GohanModelFetch(context map[string]interface{}, schemaID string, resourceID string,
tenantIDs []string) (interface{}, error) {
currentSchema, err := getSchema(schemaID)
if err != nil {
return nil, err
}
context["schema"] = currentSchema
context["path"] = currentSchema.GetPluralURL()
if err := resources.GetSingleResourceInTransaction(
context, currentSchema, resourceID, tenantIDs); err != nil {
return nil, err
}
response, ok := context["response"].(map[string]interface{})
if !ok {
return nil, fmt.Errorf("No response")
}
return response[currentSchema.Singular], nil
}
func init() {
gohanChainingInit := func(env *Environment) {
vm := env.VM
builtins := map[string]interface{}{
"gohan_model_list": func(call otto.FunctionCall) otto.Value {
VerifyCallArguments(&call, "gohan_model_list", 3)
rawContext, _ := call.Argument(0).Export()
context, ok := rawContext.(map[string]interface{})
if !ok {
ThrowOttoException(&call, noContextMessage)
}
schemaID := call.Argument(1).String()
manager := schema.GetManager()
currentSchema, ok := manager.Schema(schemaID)
if !ok {
ThrowOttoException(&call, unknownSchemaErrorMesssageFormat, schemaID)
}
context["schema"] = currentSchema
context["path"] = currentSchema.GetPluralURL()
filterObj, _ := call.Argument(2).Export()
filter := map[string]interface{}{}
if filterObj != nil {
filterMap := filterObj.(map[string]interface{})
for key, value := range filterMap {
switch value := value.(type) {
default:
ThrowOttoException(&call, "Filter not a string nor array of strings")
case string:
filter[key] = value
case []interface{}:
for _, val := range value {
v, ok := val.(string)
if !ok {
ThrowOttoException(&call, "Filter not a string nor array of strings")
}
filter[key] = v
}
}
}
}
if err := resources.GetResourcesInTransaction(
context, currentSchema, filter, nil); err != nil {
handleChainError(env, &call, err)
}
response, ok := context["response"].(map[string]interface{})
if !ok {
ThrowOttoException(&call, "No response")
}
resources, ok := response[currentSchema.Plural]
if !ok {
ThrowOttoException(&call, wrongResponseErrorMessageFormat, "GetMultipleResources.")
}
value, _ := vm.ToValue(resources)
return value
},
"gohan_model_fetch": func(call otto.FunctionCall) otto.Value {
VerifyCallArguments(&call, "gohan_model_fetch", 4)
rawContext, _ := call.Argument(0).Export()
context, ok := rawContext.(map[string]interface{})
if !ok {
ThrowOttoException(&call, noContextMessage)
}
schemaID := call.Argument(1).String()
manager := schema.GetManager()
currentSchema, ok := manager.Schema(schemaID)
if !ok {
ThrowOttoException(&call, unknownSchemaErrorMesssageFormat, schemaID)
}
context["schema"] = currentSchema
context["path"] = currentSchema.GetPluralURL()
resourceID := call.Argument(2).String()
rawTenantIDs, _ := call.Argument(3).Export()
tenantIDs, ok := rawTenantIDs.([]string)
if !ok {
tenantIDs = nil
}
if err := resources.GetSingleResourceInTransaction(
context, currentSchema, resourceID, tenantIDs); err != nil {
handleChainError(env, &call, err)
}
response, ok := context["response"].(map[string]interface{})
if !ok {
ThrowOttoException(&call, "No response")
}
resource := response[currentSchema.Singular]
value, _ := vm.ToValue(resource)
return value
},
"gohan_model_create": func(call otto.FunctionCall) otto.Value {
VerifyCallArguments(&call, "gohan_model_create", 3)
rawContext, _ := call.Argument(0).Export()
context, ok := rawContext.(map[string]interface{})
if !ok {
ThrowOttoException(&call, noContextMessage)
}
schemaID := call.Argument(1).String()
manager := schema.GetManager()
currentSchema, ok := manager.Schema(schemaID)
if !ok {
ThrowOttoException(&call, unknownSchemaErrorMesssageFormat, schemaID)
}
context["schema"] = currentSchema
context["path"] = currentSchema.GetPluralURL()
data, _ := call.Argument(2).Export()
dataMap, ok := data.(map[string]interface{})
if !ok {
ThrowOttoException(&call, notADictionaryErrorMessageFormat, dataMap)
}
resourceObj, err := manager.LoadResource(currentSchema.ID, dataMap)
if err != nil {
handleChainError(env, &call, err)
}
if err := resources.CreateResourceInTransaction(
context, resourceObj); err != nil {
handleChainError(env, &call, err)
}
response, ok := context["response"].(map[string]interface{})
if !ok {
ThrowOttoException(&call, "No response")
}
resource := response[currentSchema.Singular]
value, _ := vm.ToValue(resource)
return value
},
"gohan_model_update": func(call otto.FunctionCall) otto.Value {
VerifyCallArguments(&call, "gohan_model_update", 5)
rawContext, _ := call.Argument(0).Export()
context, ok := rawContext.(map[string]interface{})
if !ok {
ThrowOttoException(&call, noContextMessage)
}
schemaID := call.Argument(1).String()
manager := schema.GetManager()
currentSchema, ok := manager.Schema(schemaID)
if !ok {
ThrowOttoException(&call, unknownSchemaErrorMesssageFormat, schemaID)
}
context["schema"] = currentSchema
context["path"] = currentSchema.GetPluralURL()
resourceID := call.Argument(2).String()
data, _ := call.Argument(3).Export()
rawTenantIDs, _ := call.Argument(4).Export()
tenantIDs, ok := rawTenantIDs.([]string)
if !ok {
tenantIDs = nil
}
dataMap, ok := data.(map[string]interface{})
if !ok {
ThrowOttoException(&call, notADictionaryErrorMessageFormat, dataMap)
}
err := resources.UpdateResourceInTransaction(context, currentSchema, resourceID, dataMap, tenantIDs)
if err != nil {
handleChainError(env, &call, err)
}
response, ok := context["response"].(map[string]interface{})
if !ok {
ThrowOttoException(&call, "No response")
}
resource := response[currentSchema.Singular]
value, _ := vm.ToValue(resource)
return value
},
"gohan_model_delete": func(call otto.FunctionCall) otto.Value {
VerifyCallArguments(&call, "gohan_model_delete", 3)
rawContext, _ := call.Argument(0).Export()
context, ok := rawContext.(map[string]interface{})
if !ok {
ThrowOttoException(&call, noContextMessage)
}
schemaID := call.Argument(1).String()
manager := schema.GetManager()
currentSchema, ok := manager.Schema(schemaID)
if !ok {
ThrowOttoException(&call, unknownSchemaErrorMesssageFormat, schemaID)
}
context["schema"] = currentSchema
context["path"] = currentSchema.GetPluralURL()
resourceID := call.Argument(2).String()
err := resources.DeleteResourceInTransaction(context, currentSchema, resourceID)
if err != nil {
handleChainError(env, &call, err)
}
return otto.Value{}
},
}
for name, object := range builtins {
vm.Set(name, object)
}
}
RegistInit(gohanChainingInit)
}