Files
leistungsbilanz-ts/src/db/repositories/circuit.repository.ts
T

258 lines
9.0 KiB
TypeScript

import crypto from "node:crypto";
import { and, asc, eq, inArray, ne } from "drizzle-orm";
import { db } from "../client.js";
import { circuits } from "../schema/circuits.js";
import {
toCircuitCreateValues,
type CircuitCreatePersistenceInput,
} from "./circuit.persistence.js";
export type { CircuitCreatePersistenceInput } from "./circuit.persistence.js";
export { toCircuitCreateValues } from "./circuit.persistence.js";
export interface CircuitPatchPersistenceInput {
sectionId?: string;
equipmentIdentifier?: string;
displayName?: string;
sortOrder?: number;
protectionType?: string;
protectionRatedCurrent?: number;
protectionCharacteristic?: string;
cableType?: string;
cableCrossSection?: string;
cableLength?: number;
voltage?: number;
controlRequirement?: string;
remark?: string;
rcdAssignment?: string;
terminalDesignation?: string;
status?: string;
isReserve?: boolean;
}
function toCircuitPatchValues(input: CircuitPatchPersistenceInput) {
const values: Partial<typeof circuits.$inferInsert> = {};
const has = (field: keyof CircuitPatchPersistenceInput) =>
Object.prototype.hasOwnProperty.call(input, field);
if (input.sectionId !== undefined) values.sectionId = input.sectionId;
if (input.equipmentIdentifier !== undefined) {
values.equipmentIdentifier = input.equipmentIdentifier;
}
if (has("displayName")) values.displayName = input.displayName ?? null;
if (input.sortOrder !== undefined) values.sortOrder = input.sortOrder;
if (has("protectionType")) values.protectionType = input.protectionType ?? null;
if (has("protectionRatedCurrent")) {
values.protectionRatedCurrent = input.protectionRatedCurrent ?? null;
}
if (has("protectionCharacteristic")) {
values.protectionCharacteristic = input.protectionCharacteristic ?? null;
}
if (has("cableType")) values.cableType = input.cableType ?? null;
if (has("cableCrossSection")) values.cableCrossSection = input.cableCrossSection ?? null;
if (has("cableLength")) values.cableLength = input.cableLength ?? null;
if (has("rcdAssignment")) values.rcdAssignment = input.rcdAssignment ?? null;
if (has("terminalDesignation")) {
values.terminalDesignation = input.terminalDesignation ?? null;
}
if (has("voltage")) values.voltage = input.voltage ?? null;
if (has("controlRequirement")) {
values.controlRequirement = input.controlRequirement ?? null;
}
if (has("status")) values.status = input.status ?? null;
if (input.isReserve !== undefined) values.isReserve = input.isReserve ? 1 : 0;
if (has("remark")) values.remark = input.remark ?? null;
return values;
}
export class CircuitRepository {
async findById(circuitId: string) {
const [row] = await db.select().from(circuits).where(eq(circuits.id, circuitId)).limit(1);
return row ?? null;
}
async listByCircuitList(circuitListId: string) {
return db
.select()
.from(circuits)
.where(eq(circuits.circuitListId, circuitListId))
.orderBy(asc(circuits.sortOrder), asc(circuits.equipmentIdentifier));
}
async create(input: CircuitCreatePersistenceInput) {
const id = crypto.randomUUID();
await db.insert(circuits).values(toCircuitCreateValues(id, input));
return id;
}
async update(
circuitId: string,
input: {
sectionId: string;
equipmentIdentifier: string;
displayName?: string;
sortOrder: number;
protectionType?: string;
protectionRatedCurrent?: number;
protectionCharacteristic?: string;
cableType?: string;
cableCrossSection?: string;
cableLength?: number;
rcdAssignment?: string;
terminalDesignation?: string;
voltage?: number;
controlRequirement?: string;
status?: string;
isReserve: boolean;
remark?: string;
}
) {
await db
.update(circuits)
.set({
sectionId: input.sectionId,
equipmentIdentifier: input.equipmentIdentifier,
displayName: input.displayName ?? null,
sortOrder: input.sortOrder,
protectionType: input.protectionType ?? null,
protectionRatedCurrent: input.protectionRatedCurrent ?? null,
protectionCharacteristic: input.protectionCharacteristic ?? null,
cableType: input.cableType ?? null,
cableCrossSection: input.cableCrossSection ?? null,
cableLength: input.cableLength ?? null,
rcdAssignment: input.rcdAssignment ?? null,
terminalDesignation: input.terminalDesignation ?? null,
voltage: input.voltage ?? null,
controlRequirement: input.controlRequirement ?? null,
status: input.status ?? null,
isReserve: input.isReserve ? 1 : 0,
remark: input.remark ?? null,
})
.where(eq(circuits.id, circuitId));
}
async updateFields(circuitId: string, input: CircuitPatchPersistenceInput) {
const values = toCircuitPatchValues(input);
if (Object.keys(values).length === 0) {
return;
}
await db.update(circuits).set(values).where(eq(circuits.id, circuitId));
}
async delete(circuitId: string) {
await db.delete(circuits).where(eq(circuits.id, circuitId));
}
async existsByEquipmentIdentifier(circuitListId: string, equipmentIdentifier: string, excludeCircuitId?: string) {
const rows = await db
.select({ id: circuits.id })
.from(circuits)
.where(
excludeCircuitId
? and(
eq(circuits.circuitListId, circuitListId),
eq(circuits.equipmentIdentifier, equipmentIdentifier),
ne(circuits.id, excludeCircuitId)
)
: and(eq(circuits.circuitListId, circuitListId), eq(circuits.equipmentIdentifier, equipmentIdentifier))
)
.limit(1);
return Boolean(rows.length);
}
async listBySection(sectionId: string) {
return db
.select()
.from(circuits)
.where(eq(circuits.sectionId, sectionId))
.orderBy(asc(circuits.sortOrder), asc(circuits.equipmentIdentifier));
}
updateSortOrdersSafely(sectionId: string, orderedCircuitIds: string[]) {
if (orderedCircuitIds.length === 0) {
return;
}
if (new Set(orderedCircuitIds).size !== orderedCircuitIds.length) {
throw new Error("Stromkreise dürfen in der Reihenfolge nicht mehrfach vorkommen.");
}
db.transaction((tx) => {
const sectionCircuits = tx
.select({ id: circuits.id })
.from(circuits)
.where(eq(circuits.sectionId, sectionId))
.all();
const sectionCircuitIds = new Set(sectionCircuits.map((circuit) => circuit.id));
if (
sectionCircuits.length !== orderedCircuitIds.length ||
orderedCircuitIds.some((circuitId) => !sectionCircuitIds.has(circuitId))
) {
throw new Error("Die Reihenfolge muss alle Stromkreise des Bereichs enthalten.");
}
for (let index = 0; index < orderedCircuitIds.length; index += 1) {
const result = tx
.update(circuits)
.set({ sortOrder: (index + 1) * 10 })
.where(
and(
eq(circuits.sectionId, sectionId),
eq(circuits.id, orderedCircuitIds[index])
)
)
.run();
if (result.changes !== 1) {
throw new Error("Ein Stromkreis wurde vor Abschluss der Sortierung verändert.");
}
}
});
}
async updateEquipmentIdentifiersSafely(
circuitListId: string,
updates: Array<{ id: string; equipmentIdentifier: string }>,
tempNamespace: string
) {
if (updates.length === 0) {
return;
}
// better-sqlite3 transactions are synchronous callbacks. Do not make this callback
// async or return a Promise, otherwise statements may run outside the transaction scope.
db.transaction((tx) => {
const ids = updates.map((entry) => entry.id);
const existing = tx
.select({ id: circuits.id })
.from(circuits)
.where(and(eq(circuits.circuitListId, circuitListId), inArray(circuits.id, ids)))
.all();
if (existing.length !== ids.length) {
throw new Error("One or more circuit ids are invalid for circuit list.");
}
// Direct identifier swaps can violate UNIQUE(circuit_list_id, equipment_identifier)
// mid-update (for example A->B while B->A). Two-phase strategy prevents that:
// 1) assign unique temporary identifiers for all affected circuits
// 2) assign final user-visible identifiers
const stamp = Date.now();
for (let index = 0; index < updates.length; index += 1) {
const entry = updates[index];
const tempIdentifier = `__tmp_renumber_${tempNamespace}_${stamp}_${index}`;
tx
.update(circuits)
.set({ equipmentIdentifier: tempIdentifier })
.where(and(eq(circuits.circuitListId, circuitListId), eq(circuits.id, entry.id)))
.run();
}
for (const entry of updates) {
tx
.update(circuits)
.set({ equipmentIdentifier: entry.equipmentIdentifier })
.where(and(eq(circuits.circuitListId, circuitListId), eq(circuits.id, entry.id)))
.run();
}
});
}
}