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DatabaseAnalyser.createQuery core moved to base class

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This commit is contained in:
Jan Prochazka
2021-05-15 18:41:30 +02:00
parent 4a4c4b41c0
commit 2eb1c04fcf
18 changed files with 71 additions and 105 deletions
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27
packages/tools/src/DatabaseAnalyser.ts
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@@ -8,6 +8,7 @@ export class DatabaseAnalyser {
structure: DatabaseInfo;
modifications: DatabaseModification[];
singleObjectFilter: any;
singleObjectId: string = null;
constructor(public pool, public driver: EngineDriver) {}
@@ -15,6 +16,8 @@ export class DatabaseAnalyser {
return DatabaseAnalyser.createEmptyStructure();
}
async _computeSingleObjectId() {}
/** @returns {Promise<import('dbgate-types').DatabaseModification[]>} */
async getModifications() {
if (this.structure == null) throw new Error('DatabaseAnalyse.getModifications - structure must be filled');
@@ -28,6 +31,7 @@ export class DatabaseAnalyser {
async singleObjectAnalysis(name, typeField) {
this.singleObjectFilter = { ...name, typeField };
await this._computeSingleObjectId();
const res = this._runAnalysis();
if (res[typeField].length == 1) return res[typeField][0];
const obj = res[typeField].find(x => x.pureName == name.pureName && x.schemaName == name.schemaName);
@@ -94,6 +98,29 @@ export class DatabaseAnalyser {
// return this.structure.tables.find((x) => x.objectId == id);
// }
createQuery(template, typeFields) {
let res = template;
if (this.singleObjectFilter) {
const { typeField } = this.singleObjectFilter;
if (!this.singleObjectId) return null;
if (!typeFields || !typeFields.includes(typeField)) return null;
return res.replace(/=OBJECT_ID_CONDITION/g, ` = ${this.singleObjectId}`);
}
if (!this.modifications || !typeFields || this.modifications.length == 0) {
res = res.replace(/=OBJECT_ID_CONDITION/g, ' is not null');
} else {
const filterIds = this.modifications
.filter(x => typeFields.includes(x.objectTypeField) && (x.action == 'add' || x.action == 'change'))
.map(x => x.objectId);
if (filterIds.length == 0) {
res = res.replace(/=OBJECT_ID_CONDITION/g, ' = 0');
} else {
res = res.replace(/=OBJECT_ID_CONDITION/g, ` in (${filterIds.join(',')})`);
}
}
return res;
}
static createEmptyStructure(): DatabaseInfo {
return {
tables: [],