| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package schema |
| |
| import ( |
| "context" |
| "crypto/md5" |
| "fmt" |
| |
| "github.com/go-chassis/cari/discovery" |
| ) |
| |
| var ( |
| ErrSchemaNotFound = discovery.NewError(discovery.ErrSchemaNotExists, "schema ref not found.") |
| ErrSchemaContentNotFound = discovery.NewError(discovery.ErrSchemaNotExists, "schema content not found.") |
| ) |
| |
| type RefRequest struct { |
| ServiceID string `json:"serviceId" bson:"service_id"` |
| SchemaID string `json:"schemaId" bson:"schema_id"` |
| } |
| |
| type Ref struct { |
| Domain string |
| Project string |
| ServiceID string `json:"serviceId" bson:"service_id"` |
| SchemaID string `json:"schemaId" bson:"schema_id"` |
| Hash string |
| Summary string |
| } |
| |
| type ContentRequest struct { |
| Hash string |
| } |
| |
| type Content struct { |
| Domain string |
| Project string |
| Hash string |
| Content string |
| } |
| |
| type ContentItem struct { |
| Hash string |
| Content string |
| Summary string |
| } |
| |
| type PutContentRequest struct { |
| ServiceID string `json:"serviceId" bson:"service_id"` |
| SchemaID string `json:"schemaId" bson:"schema_id"` |
| Content *ContentItem |
| } |
| |
| type PutManyContentRequest struct { |
| ServiceID string `json:"serviceId" bson:"service_id"` |
| SchemaIDs []string |
| Contents []*ContentItem |
| } |
| |
| type DAO interface { |
| GetRef(ctx context.Context, refRequest *RefRequest) (*Ref, error) |
| ListRef(ctx context.Context, refRequest *RefRequest) ([]*Ref, error) |
| DeleteRef(ctx context.Context, refRequest *RefRequest) error |
| // GetContent get a schema content, hash is the result of MD5(schemaId+': '+content), see: Hash |
| GetContent(ctx context.Context, contentRequest *ContentRequest) (*Content, error) |
| PutContent(ctx context.Context, contentRequest *PutContentRequest) error |
| PutManyContent(ctx context.Context, contentRequest *PutManyContentRequest) error |
| DeleteContent(ctx context.Context, contentRequest *ContentRequest) error |
| DeleteNoRefContents(ctx context.Context) (int, error) |
| } |
| |
| func Hash(schemaID, content string) string { |
| return fmt.Sprintf("%x", md5.Sum([]byte(schemaID+": "+content))) |
| } |