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feat: parse child_type resource (#176)
* feat: parse child_type resource * fix: YAGNI: we will not need to get resource by name * fix: no need to have this.names * fix: typo in comments
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| // Copyright 2019 Google LLC | ||
| // | ||
| // Licensed 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 | ||
| // | ||
| // https://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. | ||
|
|
||
| import * as plugin from '../../../pbjs-genfiles/plugin'; | ||
|
|
||
| export interface ResourceDescriptor | ||
| extends plugin.google.api.IResourceDescriptor { | ||
| name: string; | ||
| params: string[]; | ||
| } | ||
|
|
||
| export class ResourceDatabase { | ||
| private patterns: { [pattern: string]: ResourceDescriptor }; | ||
| private types: { [type: string]: ResourceDescriptor }; | ||
|
|
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| constructor() { | ||
| this.patterns = {}; | ||
| this.types = {}; | ||
| } | ||
|
|
||
| registerResource( | ||
| resource: plugin.google.api.IResourceDescriptor | undefined, | ||
| errorLocation?: string | ||
| ) { | ||
| if (!resource) { | ||
| return; | ||
| } | ||
|
|
||
| if (!resource.type) { | ||
| if (errorLocation) { | ||
| console.warn( | ||
| `Warning: ${errorLocation} refers to a resource which does not have a type: ${resource}` | ||
| ); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| const arr = resource.type.match(/\/([^.]+)$/); | ||
| if (!arr?.[1]) { | ||
| if (errorLocation) { | ||
| console.warn( | ||
| `Warning: ${errorLocation} refers to a resource which does not have a proper name: ${resource}` | ||
| ); | ||
| } | ||
| return; | ||
| } | ||
| const name = arr[1]; | ||
|
|
||
| const pattern = resource.pattern; | ||
| if (!pattern?.[0]) { | ||
| if (errorLocation) { | ||
| console.warn( | ||
| `Warning: ${errorLocation} refers to a resource which does not have a proper pattern: ${resource}` | ||
| ); | ||
| } | ||
| return; | ||
| } | ||
| const params = pattern[0].match(/{[a-zA-Z]+}/g) || []; | ||
| for (let i = 0; i < params.length; i++) { | ||
| params[i] = params[i].replace('{', '').replace('}', ''); | ||
| } | ||
|
|
||
| const resourceDescriptor: ResourceDescriptor = Object.assign( | ||
| { | ||
| name, | ||
| params, | ||
| }, | ||
| resource | ||
| ); | ||
|
|
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| this.patterns[pattern?.[0]] = resourceDescriptor; | ||
| this.types[resourceDescriptor.type!] = resourceDescriptor; | ||
| } | ||
|
|
||
| getResourceByType( | ||
| type: string | null | undefined, | ||
| errorLocation?: string | ||
| ): ResourceDescriptor | undefined { | ||
| if (!type) { | ||
| return undefined; | ||
| } | ||
| if (!this.types[type]) { | ||
| if (errorLocation) { | ||
| console.warn( | ||
| `Warning: ${errorLocation} refers to an unknown resource: ${type}` | ||
| ); | ||
| } | ||
| return undefined; | ||
| } | ||
| return this.types[type]; | ||
| } | ||
|
|
||
| getResourceByPattern( | ||
| pattern: string | null | undefined, | ||
| errorLocation?: string | ||
| ): ResourceDescriptor | undefined { | ||
| if (!pattern) { | ||
| return undefined; | ||
| } | ||
| if (!this.patterns[pattern]) { | ||
| if (errorLocation) { | ||
| console.warn( | ||
| `Warning: ${errorLocation} refers to an unknown resource: ${pattern}` | ||
| ); | ||
| } | ||
| return undefined; | ||
| } | ||
| return this.patterns[pattern]; | ||
| } | ||
|
|
||
| getParentResourcesByChildType( | ||
| childType: string | null | undefined, | ||
| errorLocation?: string | ||
| ): ResourceDescriptor[] { | ||
| // childType looks like "datacatalog.googleapis.com/EntryGroup" | ||
| // its pattern would be like "projects/{project}/locations/{location}/entryGroups/{entry_group}" | ||
| const result: ResourceDescriptor[] = []; | ||
|
|
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| if (!childType) { | ||
| return result; | ||
| } | ||
|
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| const childResource = this.getResourceByType(childType, errorLocation); | ||
| if (!childResource) { | ||
| return result; | ||
| } | ||
|
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| const childPattern = childResource.pattern?.[0]; | ||
| if (!childPattern) { | ||
| return result; | ||
| } | ||
|
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| let pattern = ''; | ||
| for (const segment of childPattern.split('/')) { | ||
| if (pattern !== '') { | ||
| pattern += '/'; | ||
| } | ||
| pattern += segment; | ||
| const parent = this.getResourceByPattern(pattern); | ||
| if (parent) { | ||
| result.push(parent); | ||
| } | ||
| } | ||
|
|
||
| return result; | ||
| } | ||
| } |
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