n8n/packages/nodes-base/nodes/Postgres/v2/methods/resourceMapping.ts

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feat(editor): Implement Resource Mapper component (#6207) * :zap: scaffolding * :zap: finished scaffolding * :zap: renamed types * :zap: updated subtitle * :zap: renamed functions file, UI updates * :zap: query parameters fixes, ui updates, refactoring * :zap: fixes for credentials test, setup for error parsing * :zap: rlc for schema and table, error handling tweaks * :zap: delete operation, new options * :zap: columns loader * :zap: linter fixes * :zap: where clauses setup * :zap: logic for processing where clauses * :zap: select operation * :zap: refactoring * :zap: data mode for insert and update, wip * :zap: data mapping, insert update, skip on conflict option * :zap: select columns with spaces fix * :zap: update operation update, wip * :zap: finished update operation * :zap: upsert operation * :zap: ui fixes * Copy updates. * Copy updates. * :zap: option to convert empty strings to nulls, schema checks * :zap: UI requested updates * :zap: ssh setup WIP * :zap: fixes, ssh WIP * :zap: ssh fixes, credentials * :zap: credentials testing update * :zap: uncaught error fix * :zap: clean up * :zap: address in use fix * :zap: improved error message * :zap: tests setup * :zap: unit tests wip * :zap: config files clean up * :zap: utils unit tests * :zap: refactoring * :zap: setup for testing operations, tests for deleteTable operation * :zap: executeQuery and insert operations tests * :zap: select, update, upsert operations tests * :zap: runQueries tests setup * :zap: hint to query * Copy updates. * :zap: ui fixes * :zap: clean up * :zap: error message update * :zap: ui update * Minor tweaks to query params decription. * feat(Google Sheets Node): Implement Resource mapper in Google Sheets node (#5752) * ✨ Added initial resource mapping support in google sheets node * ✨ Wired mapping API endpoint with node-specific logic for fetching mapping fields * ✨ Implementing mapping fields logic for google sheets * ✨ Updating Google Sheets execute methods to support resource mapper fields * 🚧 Added initial version of `ResourceLocator` component * 👌 Added `update` mode to resource mapper modes * 👌 Addressing PR feedback * 👌 Removing leftover const reference * 👕 Fixing lint errors * :zap: singlton for conections * :zap: credentials test fix, clean up * feat(Postgres Node): Add resource mapper to new version of Postgres node (#5814) * :zap: scaffolding * :zap: finished scaffolding * :zap: renamed types * :zap: updated subtitle * :zap: renamed functions file, UI updates * :zap: query parameters fixes, ui updates, refactoring * :zap: fixes for credentials test, setup for error parsing * :zap: rlc for schema and table, error handling tweaks * :zap: delete operation, new options * :zap: columns loader * :zap: linter fixes * :zap: where clauses setup * :zap: logic for processing where clauses * :zap: select operation * :zap: refactoring * :zap: data mode for insert and update, wip * :zap: data mapping, insert update, skip on conflict option * :zap: select columns with spaces fix * :zap: update operation update, wip * :zap: finished update operation * :zap: upsert operation * :zap: ui fixes * Copy updates. * Copy updates. * :zap: option to convert empty strings to nulls, schema checks * :zap: UI requested updates * :zap: ssh setup WIP * :zap: fixes, ssh WIP * :zap: ssh fixes, credentials * :zap: credentials testing update * :zap: uncaught error fix * :zap: clean up * :zap: address in use fix * :zap: improved error message * :zap: tests setup * :zap: unit tests wip * :zap: config files clean up * :zap: utils unit tests * :zap: refactoring * :zap: setup for testing operations, tests for deleteTable operation * :zap: executeQuery and insert operations tests * :zap: select, update, upsert operations tests * :zap: runQueries tests setup * :zap: hint to query * Copy updates. * :zap: ui fixes * :zap: clean up * :zap: error message update * :zap: ui update * Minor tweaks to query params decription. * ✨ Updated Postgres node to use resource mapper component * ✨ Implemented postgres <-> resource mapper type mapping * ✨ Updated Postgres node execution to use resource mapper fields in v3 * 🔥 Removing unused import --------- Co-authored-by: Michael Kret <michael.k@radency.com> Co-authored-by: Giulio Andreini <g.andreini@gmail.com> * feat(core): Resource editor componend P0 (#5970) * ✨ Added inital value of mapping mode dropdown * ✨ Finished mapping mode selector * ✨ Finished implementing mapping mode selector * ✨ Implemented 'Columns to match on' dropdown * ✨ Implemented `loadOptionsDependOn` support in resource mapper * ✨ Implemented initial version of mapping fields * ✨ Implementing dependant fields watcher in new component setup * ✨ Generating correct resource mapper field types. Added `supportAutoMap` to node specification and UI. Not showing fields with `display=false`. Pre-selecting matching columns if it's the only one * ✨ Handling matching columns correctly in UI * ✨ Saving and loading resourceMapper values in component * ✨ Implemented proper data saving and loading * ✨ ResourceMapper component refactor, fixing value save/load * ✨ Refactoring MatchingColumnSelect component. Updating Sheets node to use single key match and Postgres to use multi key * ✨ Updated Google Sheets node to work with the new UI * ✨ Updating Postgres Node to work with new UI * ✨ Additional loading indicator that shown if there is no mapping mode selector * ✨ Removing hard-coded values, fixing matching columns ordering, refactoring * ✨ Updating field names in nodes * ✨ Fixing minor UI issues * ✨ Implemented matching fields filter logic * ✨ Moving loading label outside of fields list * ✅ Added initial unit tests for resource mapper * ✅ Finished default rendering test * ✅ Test refactoring * ✅ Finished unit tests * 🔨 Updating the way i18n is used in resource mapper components * ✔️ Fixing value to match on logic for postgres node * ✨ Hiding mapping fields when auto-map mode is selected * ✨ Syncing selected mapping mode between components * ✨ Fixing dateTime input rendering and adding update check to Postgres node * ✨ Properly handling database connections. Sending null for empty string values. * 💄 Updated wording in the error message for non-existing rows * ✨ Fixing issues with selected matching values * ✔️ Updating unit tests after matching logic update * ✨ Updating matching columns when new fields are loaded * ✨ Defaulting to null for empty parameter values * ✨ Allowing zero as valid value for number imputs * ✨ Updated list of types that use datepicker as widger * ✨ Using text inputs for time types * ✨ Initial mapping field rework * ✨ Added new component for mapping fields, moved bit of logic from root component to matching selector, fixing some lint errors * ✨ Added tooltip for columns that cannot be deleted * ✨ Saving deleted values in parameter value * ✨ Implemented control to add/remove mapping fields * ✨ Syncing field list with add field dropdown when changing dependent values * ✨ Not showing removed fields in matching columns selector. Updating wording in matching columns selector description * ✨ Implementing disabled states for add/remove all fields options * ✨ Saving removed columns separately, updating copy * ✨ Implemented resource mapper values validation * ✨ Updated validation logic and error input styling * ✨ Validating resource mapper fields when new nodes are added * ✨ Using node field words in validation, refactoring resource mapper component * ✨ Implemented schema syncing and add/remove all fields * ✨ Implemented custom parameter actions * ✨ Implemented loading indicator in parameter options * 🔨 Removing unnecessary constants and vue props * ✨ Handling default values properly * ✨ Fixing validation logic * 👕 Fixing lint errors * ⚡ Fixing type issues * ⚡ Not showing fields by default if `addAllFields` is set to `false` * ✨ Implemented field type validation in resource mapper * ✨ Updated casing in copy, removed all/remove all option from bottom menu * ✨ Added auto mapping mode notice * ✨ Added support for more types in validation * ✨ Added support for enumerated values * ✨ Fixing imports after merging * ✨ Not showing removed fields in matching columns selector. Refactoring validation logic. * 👕 Fixing imports * ✔️ Updating unit tests * ✅ Added resource mapper schema tests * ⚡ Removing `match` from resource mapper field definition, fixing matching columns loading * ⚡ Fixed schema merging * :zap: update operation return data fix * :zap: review * 🐛 Added missing import * 💄 Updating parameter actions icon based on the ui review * 💄 Updating word capitalisation in tooltips * 💄 Added empty state to mapping fields list * 💄 Removing asterisk from fields, updating tooltips for matching fields * ⚡ Preventing matching fields from being removed by 'Remove All option' * ⚡ Not showing hidden fields in the `Add field` dropdown * ⚡ Added support for custom matching columns labels * :zap: query optimization * :zap: fix * ⚡ Optimizing Postgres node enumeration logic * ⚡ Added empty state for matching columns * ⚡ Only fully loading fields if there is no schema fetched * ⚡ Hiding mapping fields if there is no matching columns available in the schema * ✔️ Fixing minor issues * ✨ Implemented runtime type validation * 🔨 Refactoring validation logic * ✨ Implemented required check, added more custom messages * ✨ Skipping boolean type in required check * Type check improvements * ✨ Only reloading fields if dependent values actually change * ✨ Adding item index to validation error title * ✨ Updating Postgres fetching logic, using resource mapper mode to determine if a field can be deleted * ✨ Resetting field values when adding them via the addAll option * ⚡ Using minor version (2.2) for new Postgres node * ⚡ Implemented proper date validation and type casting * 👕 Consolidating typing * ✅ Added unit tests for type validations * 👌 Addressing front-end review comments * ⚡ More refactoring to address review changes * ⚡ Updating leftover props * ⚡ Added fallback for ISO dates with invalid timezones * Added timestamp to datetime test cases * ⚡ Reseting matching columns if operation changes * ⚡ Not forcing auto-increment fields to be filled in in Postgres node. Handling null values * 💄 Added a custom message for invalid dates * ⚡ Better handling of JSON values * ⚡ Updating codemirror readonly stauts based on component property, handling objects in json validation * Deleting leftover console.log * ⚡ Better time validation * ⚡ Fixing build error after merging * 👕 Fixing lint error * ⚡ Updating node configuration values * ⚡ Handling postgres arrays better * ⚡ Handling SQL array syntax * ⚡ Updating time validation rules to include timezone * ⚡ Sending expressions that resolve to `null` or `undefined` by the resource mapper to delete cell content in Google Sheets * ⚡ Allowing removed fields to be selected for match * ⚡ Updated the query for fetching unique columns and primary keys * ⚡ Optimizing the unique query * ⚡ Setting timezone to all parsed dates * ⚡ Addressing PR review feedback * ⚡ Configuring Sheets node for production, minor vue component update * New cases added to the TypeValidation test. * ✅ Tweaking validation rules for arrays/objects and updating test cases --------- Co-authored-by: Michael Kret <michael.k@radency.com> Co-authored-by: Giulio Andreini <g.andreini@gmail.com>
2023-05-31 02:56:09 -07:00
import type { ILoadOptionsFunctions, ResourceMapperFields, FieldType } from 'n8n-workflow';
import { getEnumValues, getEnums, getTableSchema, uniqueColumns } from '../helpers/utils';
import { configurePostgres } from '../transport';
const fieldTypeMapping: Partial<Record<FieldType, string[]>> = {
string: ['text', 'varchar', 'character varying', 'character', 'char'],
number: [
'integer',
'smallint',
'bigint',
'decimal',
'numeric',
'real',
'double precision',
'smallserial',
'serial',
'bigserial',
],
boolean: ['boolean'],
dateTime: [
'timestamp',
'date',
'timestampz',
'timestamp without time zone',
'timestamp with time zone',
],
time: ['time', 'time without time zone', 'time with time zone'],
object: ['json', 'jsonb'],
options: ['enum', 'USER-DEFINED'],
array: ['ARRAY'],
};
function mapPostgresType(postgresType: string): FieldType {
let mappedType: FieldType = 'string';
for (const t of Object.keys(fieldTypeMapping)) {
const postgresTypes = fieldTypeMapping[t as FieldType];
if (postgresTypes?.includes(postgresType)) {
mappedType = t as FieldType;
}
}
return mappedType;
}
export async function getMappingColumns(
this: ILoadOptionsFunctions,
): Promise<ResourceMapperFields> {
const credentials = await this.getCredentials('postgres');
const { db } = await configurePostgres(credentials);
const schema = this.getNodeParameter('schema', 0, {
extractValue: true,
}) as string;
const table = this.getNodeParameter('table', 0, {
extractValue: true,
}) as string;
const operation = this.getNodeParameter('operation', 0, {
extractValue: true,
}) as string;
try {
const columns = await getTableSchema(db, schema, table);
const unique = operation === 'upsert' ? await uniqueColumns(db, table) : [];
const enumInfo = await getEnums(db);
const fields = await Promise.all(
columns.map(async (col) => {
const canBeUsedToMatch =
operation === 'upsert' ? unique.some((u) => u.attname === col.column_name) : true;
const type = mapPostgresType(col.data_type);
const options = type === 'options' ? getEnumValues(enumInfo, col.udt_name) : undefined;
const isAutoIncrement = col.column_default?.startsWith('nextval');
return {
id: col.column_name,
displayName: col.column_name,
required: col.is_nullable !== 'YES' && !isAutoIncrement,
defaultMatch: col.column_name === 'id',
display: true,
type,
canBeUsedToMatch,
options,
};
}),
);
return { fields };
} catch (error) {
throw error;
}
}