sql: Add NULL support to database wrappers

src/aimedb/sql.ts

@@ -19,8 +19,8 @@ class CardRepositoryImpl implements CardRepository {
       return undefined;
     }
 
-    const id = row.id;
-    const extId = row.ext_id;
+    const id = row.id!;
+    const extId = row.ext_id!;
 
     const touchSql = sql
       .update("aime_player")

src/checkdb.ts

@@ -111,7 +111,7 @@ export default async function checkdb(db: DataSource): Promise<void> {
     const row = await db.transaction(txn => txn.fetchRow(stmt));
 
     if (row !== undefined) {
-      maybe = parseInt(row.schemaver);
+      maybe = parseInt(row.schemaver!);
     }
   } catch (e) {
     return db.transaction(initdb);

src/idz/sql/backgrounds.ts

@@ -21,7 +21,7 @@ export class SqlBackgroundsRepository
     const result = new Set<BackgroundCode>();
 
     for (const row of rows) {
-      result.add(parseInt(row.background_no) as BackgroundCode);
+      result.add(parseInt(row.background_no!) as BackgroundCode);
     }
 
     return result;

src/idz/sql/car.ts

@@ -8,21 +8,21 @@ import { Row, Transaction } from "../../sql";
 
 function _extractRow(row: Row): Car {
   return {
-    selector: parseInt(row.selector) as CarSelector,
-    field_00: parseInt(row.field_00),
-    field_02: parseInt(row.field_02),
-    field_04: row.field_04.split(",").map((x: string) => parseInt(x)),
-    field_46: parseInt(row.field_46),
-    field_48: parseInt(row.field_48),
-    field_4a: parseInt(row.field_4a),
-    field_4c: parseInt(row.field_4c),
-    field_50_lo: parseInt(row.field_50_lo),
-    field_50_hi: parseInt(row.field_50_hi),
-    field_58: parseInt(row.field_58),
-    field_5a: parseInt(row.field_5a),
-    field_5b: parseInt(row.field_5b),
-    field_5c: parseInt(row.field_5c),
-    field_5e: parseInt(row.field_5e),
+    selector: parseInt(row.selector!) as CarSelector,
+    field_00: parseInt(row.field_00!),
+    field_02: parseInt(row.field_02!),
+    field_04: row.field_04!.split(",").map((x: string) => parseInt(x)),
+    field_46: parseInt(row.field_46!),
+    field_48: parseInt(row.field_48!),
+    field_4a: parseInt(row.field_4a!),
+    field_4c: parseInt(row.field_4c!),
+    field_50_lo: parseInt(row.field_50_lo!),
+    field_50_hi: parseInt(row.field_50_hi!),
+    field_58: parseInt(row.field_58!),
+    field_5a: parseInt(row.field_5a!),
+    field_5b: parseInt(row.field_5b!),
+    field_5c: parseInt(row.field_5c!),
+    field_5e: parseInt(row.field_5e!),
   };
 }
 
@@ -37,7 +37,7 @@ export class SqlCarRepository implements CarRepository {
 
     const row = await this._txn.fetchRow(countSql);
 
-    return parseInt(row!.result);
+    return parseInt(row!.result!);
   }
 
   async loadCars(

src/idz/sql/chara.ts

@@ -9,16 +9,16 @@ import { Row, Transaction } from "../../sql";
 
 export function _extractChara(row: Row): Chara {
   return {
-    gender: row.gender as Gender,
-    field_02: parseInt(row.field_02),
-    field_04: parseInt(row.field_04),
-    field_06: parseInt(row.field_06),
-    field_08: parseInt(row.field_08),
-    field_0a: parseInt(row.field_0a),
-    field_0c: parseInt(row.field_0c),
-    field_0e: parseInt(row.field_0e),
-    title: parseInt(row.title) as TitleCode,
-    background: parseInt(row.background) as BackgroundCode,
+    gender: row.gender! as Gender,
+    field_02: parseInt(row.field_02!),
+    field_04: parseInt(row.field_04!),
+    field_06: parseInt(row.field_06!),
+    field_08: parseInt(row.field_08!),
+    field_0a: parseInt(row.field_0a!),
+    field_0c: parseInt(row.field_0c!),
+    field_0e: parseInt(row.field_0e!),
+    title: parseInt(row.title!) as TitleCode,
+    background: parseInt(row.background!) as BackgroundCode,
   };
 }
 

src/idz/sql/coursePlays.ts

@@ -19,8 +19,8 @@ export class SqlCoursePlaysRepository implements CoursePlaysRepository {
     const result = new Map<CourseNo, number>();
 
     for (const row of rows) {
-      const courseNo = parseInt(row.course_no) as CourseNo;
-      const count = parseInt(row.count);
+      const courseNo = parseInt(row.course_no!) as CourseNo;
+      const count = parseInt(row.count!);
 
       result.set(courseNo, count);
     }

src/idz/sql/missions.ts

@@ -36,9 +36,9 @@ export class SqlMissionsRepository implements FacetRepository<MissionState> {
     const rows = await this._txn.fetchRows(loadSoloSql);
 
     for (const row of rows) {
-      const gridNo = parseInt(row.grid_no);
-      const cellNo = parseInt(row.cell_no);
-      const value = parseInt(row.value);
+      const gridNo = parseInt(row.grid_no!);
+      const cellNo = parseInt(row.cell_no!);
+      const value = parseInt(row.value!);
 
       result.solo[gridNo].cells[cellNo] = value;
     }

src/idz/sql/profile.ts

@@ -7,15 +7,15 @@ import { Row, Transaction } from "../../sql";
 
 export function _extractProfile(row: Row): Profile {
   return {
-    aimeId: parseInt(row.aime_id) as AimeId,
-    name: row.name,
-    lv: parseInt(row.lv),
-    exp: parseInt(row.exp),
-    fame: parseInt(row.fame),
-    dpoint: parseInt(row.dpoint),
-    mileage: parseInt(row.mileage),
-    accessTime: new Date(row.access_time),
-    registerTime: new Date(row.register_time),
+    aimeId: parseInt(row.aime_id!) as AimeId,
+    name: row.name!,
+    lv: parseInt(row.lv!),
+    exp: parseInt(row.exp!),
+    fame: parseInt(row.fame!),
+    dpoint: parseInt(row.dpoint!),
+    mileage: parseInt(row.mileage!),
+    accessTime: new Date(row.access_time!),
+    registerTime: new Date(row.register_time!),
   };
 }
 

src/idz/sql/settings.ts

@@ -22,11 +22,11 @@ export class SqlSettingsRepository implements FacetRepository<Settings> {
     }
 
     return {
-      music: parseInt(row.music),
-      pack: parseInt(row.pack),
-      aura: parseInt(row.aura),
-      paperCup: parseInt(row.paper_cup),
-      gauges: parseInt(row.gauges),
+      music: parseInt(row.music!),
+      pack: parseInt(row.pack!),
+      aura: parseInt(row.aura!),
+      paperCup: parseInt(row.paper_cup!),
+      gauges: parseInt(row.gauges!),
     };
   }
 

src/idz/sql/story.ts

@@ -20,8 +20,8 @@ export class SqlStoryRepository implements FacetRepository<Story> {
     // Must succeed even if nonexistent (required by save method below)
 
     const result = {
-      x: header !== undefined ? parseInt(header.x) : 0,
-      y: header !== undefined ? parseInt(header.y) : 0,
+      x: header !== undefined ? parseInt(header.x!) : 0,
+      y: header !== undefined ? parseInt(header.y!) : 0,
       rows: new Array<StoryRow>(),
     };
 
@@ -43,12 +43,12 @@ export class SqlStoryRepository implements FacetRepository<Story> {
     const rows = await this._txn.fetchRows(loadCellSql);
 
     for (const row of rows) {
-      const rowNo = parseInt(row.row_no);
-      const colNo = parseInt(row.col_no);
+      const rowNo = parseInt(row.row_no!);
+      const colNo = parseInt(row.col_no!);
       const cell = result.rows[rowNo].cells[colNo];
 
-      cell.a = parseInt(row.a);
-      cell.b = parseInt(row.b);
+      cell.a = parseInt(row.a!);
+      cell.b = parseInt(row.b!);
     }
 
     return result;

src/idz/sql/team.ts

@@ -37,11 +37,11 @@ export class SqlTeamRepository implements TeamRepository {
     }
 
     return {
-      extId: parseInt(row.ext_id) as ExtId<Team>,
-      name: row.name,
-      nameBg: parseInt(row.name_bg),
-      nameFx: parseInt(row.name_fx),
-      registerTime: new Date(row.register_time),
+      extId: parseInt(row.ext_id!) as ExtId<Team>,
+      name: row.name!,
+      nameBg: parseInt(row.name_bg!),
+      nameFx: parseInt(row.name_fx!),
+      registerTime: new Date(row.register_time!),
     };
   }
 

src/idz/sql/teamAuto.ts

@@ -20,8 +20,8 @@ export class SqlTeamAutoRepository implements TeamAutoRepository {
     return (
       row && [
         {
-          serialNo: parseInt(row.serial_no),
-          nameIdx: parseInt(row.name_idx),
+          serialNo: parseInt(row.serial_no!),
+          nameIdx: parseInt(row.name_idx!),
         },
         row.id as Id<Team>,
       ]

src/idz/sql/teamMember.ts

@@ -57,7 +57,7 @@ export class SqlTeamMemberRepository implements TeamMemberRepository {
       profile: _extractProfile(row),
       chara: _extractChara(row),
       leader: !!row.leader,
-      joinTime: new Date(row.join_time),
+      joinTime: new Date(row.join_time!),
     }));
   }
 
@@ -92,7 +92,7 @@ export class SqlTeamMemberRepository implements TeamMemberRepository {
 
     const row = await this._txn.fetchRow(countSql);
 
-    if (parseInt(row!.count) >= 6) {
+    if (parseInt(row!.count!) >= 6) {
       throw new Error(`Team ${teamId} is full`);
     }
 

src/idz/sql/teamReservation.ts

@@ -28,7 +28,7 @@ export class SqlTeamReservationRepository
       .where("tm.team_id", teamId);
 
     const memberRes = await this._txn.fetchRow(memberSql);
-    const memberCount = parseInt(memberRes!.count);
+    const memberCount = parseInt(memberRes!.count!);
 
     const reservSql = sql
       .select("count(*) as count")
@@ -36,7 +36,7 @@ export class SqlTeamReservationRepository
       .where("tr.team_id", teamId);
 
     const reservRes = await this._txn.fetchRow(reservSql);
-    const reservCount = parseInt(reservRes!.count);
+    const reservCount = parseInt(reservRes!.count!);
 
     return memberCount + reservCount;
   }

src/idz/sql/tickets.ts

@@ -21,7 +21,7 @@ export class SqlTicketsRepository implements FacetRepository<Tickets> {
 
     return {
       freeCar: row && {
-        validFrom: new Date(row.valid_from),
+        validFrom: new Date(row.valid_from!),
       },
     };
   }

src/idz/sql/timeAttack.ts

@@ -11,13 +11,13 @@ import { Row, Transaction } from "../../sql";
 
 function _extractRow(row: Row): TimeAttackScore {
   return {
-    routeNo: parseInt(row.route_no) as RouteNo,
-    timestamp: new Date(row.timestamp),
-    flags: parseInt(row.flags),
-    totalTime: parseFloat(row.total_time),
-    sectionTimes: row.section_times.split(",").map(parseFloat),
-    grade: parseInt(row.grade),
-    carSelector: parseInt(row.car_selector) as CarSelector,
+    routeNo: parseInt(row.route_no!) as RouteNo,
+    timestamp: new Date(row.timestamp!),
+    flags: parseInt(row.flags!),
+    totalTime: parseFloat(row.total_time!),
+    sectionTimes: row.section_times!.split(",").map(parseFloat),
+    grade: parseInt(row.grade!),
+    carSelector: parseInt(row.car_selector!) as CarSelector,
   };
 }
 
@@ -61,13 +61,13 @@ export class SqlTimeAttackRepository implements TimeAttackRepository {
     const rows = await this._txn.fetchRows(loadSql);
 
     return rows.map(row => ({
-      driverName: row.profile_name,
+      driverName: row.profile_name!,
       team: {
-        extId: parseInt(row.team_ext_id) as ExtId<Team>,
-        name: row.team_name,
-        nameBg: parseInt(row.team_name_bg),
-        nameFx: parseInt(row.team_name_fx),
-        registerTime: new Date(row.team_register_time),
+        extId: parseInt(row.team_ext_id!) as ExtId<Team>,
+        name: row.team_name!,
+        nameBg: parseInt(row.team_name_bg!),
+        nameFx: parseInt(row.team_name_fx!),
+        registerTime: new Date(row.team_register_time!),
       },
       ta: _extractRow(row),
     }));
@@ -122,7 +122,7 @@ export class SqlTimeAttackRepository implements TimeAttackRepository {
 
       await this._txn.modify(insertSql);
     } else {
-      if (score.totalTime < parseFloat(row.total_time)) {
+      if (score.totalTime < parseFloat(row.total_time!)) {
         const updateSql = sql
           .update("idz_ta_best", {
             total_time: score.totalTime,

src/idz/sql/titles.ts

@@ -19,7 +19,7 @@ export class SqlTitlesRepository implements FlagRepository<TitleCode> {
     const result = new Set<TitleCode>();
 
     for (const row of rows) {
-      result.add(parseInt(row.title_no) as TitleCode);
+      result.add(parseInt(row.title_no!) as TitleCode);
     }
 
     return result;

src/idz/sql/unlocks.ts

@@ -22,11 +22,11 @@ export class SqlUnlocksRepository implements FacetRepository<Unlocks> {
     }
 
     return {
-      auras: parseInt(row.auras),
-      cup: parseInt(row.cup),
-      gauges: parseInt(row.gauges),
-      music: parseInt(row.music),
-      lastMileageReward: parseInt(row.last_mileage_reward),
+      auras: parseInt(row.auras!),
+      cup: parseInt(row.cup!),
+      gauges: parseInt(row.gauges!),
+      music: parseInt(row.music!),
+      lastMileageReward: parseInt(row.last_mileage_reward!),
     };
   }
 

src/sql/api.ts

@@ -3,7 +3,7 @@ import * as sql from "sql-bricks-postgres";
 import { Id } from "../model";
 
 export interface Row {
-  [key: string]: string;
+  [key: string]: string | null;
 }
 
 export interface Transaction {

src/sql/util.ts

@@ -3,15 +3,23 @@ import snakeCase from "snake-case";
 import { Row } from "./api";
 
 interface ColMapper<F> {
-  _read(str: string): F;
+  _read(str: string | null): F;
 
-  _write(val: F): string;
+  _write(val: F): string | null;
 }
 
 type Spec<R> = {
   [K in keyof R]: ColMapper<R[K]>;
 };
 
+function _nn(str: string | null): string {
+  if (str === null) {
+    throw new Error("Unexpected NULL returned from database");
+  }
+
+  return str;
+}
+
 /**
  * Function objects describing the precise way in which our SQL driver
  * transmits and receives values to the database as strings. Note that we could
@@ -20,25 +28,31 @@ type Spec<R> = {
  */
 export const T = {
   bigint: {
-    _read: (str: string) => BigInt(str),
+    _read: (str: string) => BigInt(_nn(str)),
     _write: (val: bigint) => val.toString(),
   },
   boolean: {
-    _read: (str: string) => str === "true",
+    _read: (str: string) => _nn(str) === "true",
     _write: (val: boolean) => val.toString(),
   },
   number: {
-    _read: (str: string) => parseInt(str),
+    _read: (str: string) => parseInt(_nn(str)),
     _write: (val: number) => val.toString(),
   },
   string: {
-    _read: (str: string) => str,
+    _read: (str: string) => _nn(str),
     _write: (val: string) => val,
   },
   Date: {
-    _read: (str: string) => new Date(str),
+    _read: (str: string) => new Date(_nn(str)),
     _write: (val: Date) => val.toISOString(),
   },
+  nullable: <F>(inner: ColMapper<F>) => ({
+    _read: (str: string | null) =>
+      str !== null ? inner._read(str) : undefined,
+    _write: (val: F | undefined) =>
+      val !== undefined ? inner._write(val) : null,
+  }),
 };
 
 /**