text-to-map
Version:
Text To Map usiluje o lepší, strojově zpracovatelné využití částí vyhlášek s výčtem ulic a dalších lokací. Jde o rozšiřitelnou sadu konceptů a nástrojů, které zajistí hladký převod výčtu ulic a jejich rozsahů v lidsky srozumitelném jazyce do strojově zpra
191 lines • 29 kB
JavaScript
import { configDotenv } from "dotenv";
import knex from "knex";
import { dirname, join } from "path";
import { fileURLToPath } from "url";
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
export var SupportedDbType;
(function (SupportedDbType) {
SupportedDbType["sqlite"] = "sqlite";
SupportedDbType["postgres"] = "postgres";
SupportedDbType["mysql"] = "mysql";
})(SupportedDbType || (SupportedDbType = {}));
const mysqlConnectionStringPattern = /^([^:]+):(\d+):([^:]+):([^:]+):([^:]+)$/;
const DbClient = {
[SupportedDbType.sqlite]: "better-sqlite3",
[SupportedDbType.postgres]: "pg",
[SupportedDbType.mysql]: "mysql",
};
const defaults = {
dbType: SupportedDbType.sqlite,
filePath: "address_points.db",
initFilePath: join(__dirname, "..", "address_points_init.db"),
verbose: false,
};
let _knexDb = undefined;
let _knexDbConfig = undefined;
export const getKnexDb = (config = {}) => {
if (_knexDb === undefined) {
_knexDbConfig = { ...defaults, ...getEnvConfig(), ...config };
if (_knexDbConfig.dbType === SupportedDbType.sqlite) {
_knexDb = knex({
client: DbClient[SupportedDbType.sqlite],
connection: {
filename: _knexDbConfig.filePath,
},
pool: {
afterCreate: (db, done) => {
db.pragma("journal_mode = WAL;");
done(false, done);
},
},
useNullAsDefault: true,
debug: _knexDbConfig.verbose,
});
}
else if (_knexDbConfig.dbType === SupportedDbType.postgres) {
_knexDb = knex({
client: DbClient[SupportedDbType.postgres],
connection: _knexDbConfig.pgConnectionString,
useNullAsDefault: true,
debug: _knexDbConfig.verbose,
});
}
else if (_knexDbConfig.dbType === SupportedDbType.mysql) {
const [host, port, user, password, database] = _knexDbConfig.mysqlConnectionString.split(":");
_knexDb = knex({
client: DbClient[SupportedDbType.mysql],
connection: {
host,
port: Number(port),
user,
password,
database,
},
useNullAsDefault: true,
debug: _knexDbConfig.verbose,
});
}
else {
throw new Error(`Unsupported DB type: ${_knexDbConfig.dbType}`);
}
}
return _knexDb;
};
export const isPostgres = (knex) => {
return knex.client.config.client === DbClient[SupportedDbType.postgres];
};
export const isSqlite = (knex) => {
return knex.client.config.client === DbClient[SupportedDbType.sqlite];
};
export const isMysql = (knex) => {
return knex.client.config.client === DbClient[SupportedDbType.mysql];
};
const getMigrationConfig = () => {
return { directory: join(__dirname, "migrations") };
};
export const initDb = async (config = {}) => {
const knex = getKnexDb(config);
await knex.migrate.latest(getMigrationConfig());
return knex;
};
export const clearDb = async (config = {}) => {
const knex = getKnexDb(config);
await knex.migrate.rollback(getMigrationConfig(), true);
await knex.migrate.latest(getMigrationConfig());
return knex;
};
export const disconnectKnex = async () => {
if (_knexDb) {
await _knexDb.destroy();
_knexDb = undefined;
}
};
const getEnvConfig = () => {
configDotenv({ path: ".env.local" });
const envConfig = {};
if (process.env.TEXTTOMAP_DB_TYPE &&
Object.values(SupportedDbType).includes(process.env.TEXTTOMAP_DB_TYPE)) {
envConfig.dbType = process.env.TEXTTOMAP_DB_TYPE;
if (envConfig.dbType === SupportedDbType.postgres) {
if (!process.env.TEXTTOMAP_PG_CONNECTION_STRING) {
throw new Error("Environmental variable 'TEXTTOMAP_PG_CONNECTION_STRING' must be set for PostgreSQL.");
}
envConfig.pgConnectionString = process.env.TEXTTOMAP_PG_CONNECTION_STRING;
}
else if (envConfig.dbType === SupportedDbType.mysql) {
if (!process.env.TEXTTOMAP_MYSQL_CONNECTION_DATA) {
throw new Error("Environmental variable 'TEXTTOMAP_MYSQL_CONNECTION_DATA' must be set for MySQL or MariaDB.");
}
if (!mysqlConnectionStringPattern.test(process.env.TEXTTOMAP_MYSQL_CONNECTION_DATA)) {
throw new Error("Environmental variable 'TEXTTOMAP_MYSQL_CONNECTION_DATA' must be in format 'host:port:user:password:database'.");
}
envConfig.mysqlConnectionString =
process.env.TEXTTOMAP_MYSQL_CONNECTION_DATA;
}
else if (envConfig.dbType === SupportedDbType.sqlite) {
if (process.env.TEXTTOMAP_SQLITE_PATH) {
envConfig.filePath = process.env.TEXTTOMAP_SQLITE_PATH;
}
}
}
return envConfig;
};
export const nonEmptyOrNull = (value) => {
return value ? value : null;
};
export const rawQuery = async (query, ...bindings) => {
const knex = getKnexDb();
const result = await knex.raw(query, ...bindings);
return isMysql(knex) ? result[0] : result;
};
/**
* Efficiently insert multiple rows. If preventDuplicatesByFirstColumn is true, the first
* column should be unique (PK or UNIQUE).
*/
export const insertMultipleRows = async (rows, table, columnNames, preventDuplicates = true) => {
if (rows.length === 0) {
return 0;
}
const insertPlaceholders = generate2DPlaceholders(columnNames.length, rows.length);
const knex = getKnexDb();
const onConfict = preventDuplicates && !isMysql(knex) ? `ON CONFLICT DO NOTHING` : "";
await rawQuery(`INSERT ${isMysql(knex) ? "IGNORE" : ""} INTO ${table} (${columnNames.join(",")}) VALUES ${insertPlaceholders} ${onConfict}`, rows.flat());
return rows.length;
};
/**
* Insert a single row and return the autoincremented ID.
*/
export const insertAutoincrementRow = async (row, table, columnNames) => {
const data = columnNames.reduce((obj, columnName, index) => {
obj[columnName] = row[index];
return obj;
}, {});
const result = await getKnexDb().insert(data).into(table);
return result ? Number(result) : null;
};
export const deleteMultipleRowsKnex = async (keys, table, keyColumnName) => {
if (keys.length === 0) {
return;
}
await getKnexDb().from(table).whereIn(keyColumnName, keys).del();
};
const generateRepetitiveString = (value, glue, n) => {
return new Array(n).fill(value).join(glue);
};
export const generatePlaceholders = (n) => {
return generateRepetitiveString("?", ",", n);
};
export const generate2DPlaceholders = (inner, outer) => {
return generateRepetitiveString(`(${generatePlaceholders(inner)})`, ",", outer);
};
export const extractKeyValuesPairs = (array, keyIndex, valuesIndices) => {
const object = array.reduce((acc, data) => {
if (data[keyIndex]) {
acc[data[keyIndex]] = valuesIndices.map((index) => nonEmptyOrNull(data[index]));
}
return acc;
}, {});
return Object.keys(object).map((key) => [key, ...object[key]]);
};
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{ configDotenv } from \"dotenv\";\r\nimport knex, { Knex } from \"knex\";\r\nimport { dirname, join } from \"path\";\r\nimport { fileURLToPath } from \"url\";\r\n\r\ninterface DbConfig {\r\n  dbType: SupportedDbType;\r\n  pgConnectionString?: string;\r\n  mysqlConnectionString?: string;\r\n  initFilePath: string;\r\n  filePath?: string;\r\n  verbose: boolean;\r\n}\r\n\r\nconst __filename = fileURLToPath(import.meta.url);\r\nconst __dirname = dirname(__filename);\r\n\r\nexport enum SupportedDbType {\r\n  sqlite = \"sqlite\",\r\n  postgres = \"postgres\",\r\n  mysql = \"mysql\",\r\n}\r\n\r\nconst mysqlConnectionStringPattern = /^([^:]+):(\\d+):([^:]+):([^:]+):([^:]+)$/;\r\n\r\nconst DbClient = {\r\n  [SupportedDbType.sqlite]: \"better-sqlite3\",\r\n  [SupportedDbType.postgres]: \"pg\",\r\n  [SupportedDbType.mysql]: \"mysql\",\r\n};\r\n\r\nconst defaults: DbConfig = {\r\n  dbType: SupportedDbType.sqlite,\r\n  filePath: \"address_points.db\",\r\n  initFilePath: join(__dirname, \"..\", \"address_points_init.db\"),\r\n  verbose: false,\r\n};\r\n\r\nlet _knexDb: Knex = undefined;\r\nlet _knexDbConfig: DbConfig = undefined;\r\n\r\nexport const getKnexDb = (config: Partial<DbConfig> = {}): Knex => {\r\n  if (_knexDb === undefined) {\r\n    _knexDbConfig = { ...defaults, ...getEnvConfig(), ...config };\r\n\r\n    if (_knexDbConfig.dbType === SupportedDbType.sqlite) {\r\n      _knexDb = knex({\r\n        client: DbClient[SupportedDbType.sqlite],\r\n        connection: {\r\n          filename: _knexDbConfig.filePath,\r\n        },\r\n        pool: {\r\n          afterCreate: (db: any, done: Function) => {\r\n            db.pragma(\"journal_mode = WAL;\");\r\n            done(false, done);\r\n          },\r\n        },\r\n        useNullAsDefault: true,\r\n        debug: _knexDbConfig.verbose,\r\n      });\r\n    } else if (_knexDbConfig.dbType === SupportedDbType.postgres) {\r\n      _knexDb = knex({\r\n        client: DbClient[SupportedDbType.postgres],\r\n        connection: _knexDbConfig.pgConnectionString,\r\n        useNullAsDefault: true,\r\n        debug: _knexDbConfig.verbose,\r\n      });\r\n    } else if (_knexDbConfig.dbType === SupportedDbType.mysql) {\r\n      const [host, port, user, password, database] =\r\n        _knexDbConfig.mysqlConnectionString.split(\":\");\r\n      _knexDb = knex({\r\n        client: DbClient[SupportedDbType.mysql],\r\n        connection: {\r\n          host,\r\n          port: Number(port),\r\n          user,\r\n          password,\r\n          database,\r\n        },\r\n        useNullAsDefault: true,\r\n        debug: _knexDbConfig.verbose,\r\n      });\r\n    } else {\r\n      throw new Error(`Unsupported DB type: ${_knexDbConfig.dbType}`);\r\n    }\r\n  }\r\n\r\n  return _knexDb;\r\n};\r\n\r\nexport const isPostgres = (knex: Knex): boolean => {\r\n  return knex.client.config.client === DbClient[SupportedDbType.postgres];\r\n};\r\n\r\nexport const isSqlite = (knex: Knex): boolean => {\r\n  return knex.client.config.client === DbClient[SupportedDbType.sqlite];\r\n};\r\n\r\nexport const isMysql = (knex: Knex): boolean => {\r\n  return knex.client.config.client === DbClient[SupportedDbType.mysql];\r\n};\r\n\r\nconst getMigrationConfig = (): Knex.MigratorConfig => {\r\n  return { directory: join(__dirname, \"migrations\") };\r\n};\r\n\r\nexport const initDb = async (config: Partial<DbConfig> = {}): Promise<Knex> => {\r\n  const knex = getKnexDb(config);\r\n  await knex.migrate.latest(getMigrationConfig());\r\n  return knex;\r\n};\r\n\r\nexport const clearDb = async (\r\n  config: Partial<DbConfig> = {}\r\n): Promise<Knex> => {\r\n  const knex = getKnexDb(config);\r\n  await knex.migrate.rollback(getMigrationConfig(), true);\r\n  await knex.migrate.latest(getMigrationConfig());\r\n  return knex;\r\n};\r\n\r\nexport const disconnectKnex = async (): Promise<void> => {\r\n  if (_knexDb) {\r\n    await _knexDb.destroy();\r\n    _knexDb = undefined;\r\n  }\r\n};\r\n\r\nconst getEnvConfig = (): Partial<DbConfig> => {\r\n  configDotenv({ path: \".env.local\" });\r\n  const envConfig: Partial<DbConfig> = {};\r\n  if (\r\n    process.env.TEXTTOMAP_DB_TYPE &&\r\n    Object.values(SupportedDbType).includes(\r\n      process.env.TEXTTOMAP_DB_TYPE as SupportedDbType\r\n    )\r\n  ) {\r\n    envConfig.dbType = process.env.TEXTTOMAP_DB_TYPE as SupportedDbType;\r\n    if (envConfig.dbType === SupportedDbType.postgres) {\r\n      if (!process.env.TEXTTOMAP_PG_CONNECTION_STRING) {\r\n        throw new Error(\r\n          \"Environmental variable 'TEXTTOMAP_PG_CONNECTION_STRING' must be set for PostgreSQL.\"\r\n        );\r\n      }\r\n      envConfig.pgConnectionString = process.env.TEXTTOMAP_PG_CONNECTION_STRING;\r\n    } else if (envConfig.dbType === SupportedDbType.mysql) {\r\n      if (!process.env.TEXTTOMAP_MYSQL_CONNECTION_DATA) {\r\n        throw new Error(\r\n          \"Environmental variable 'TEXTTOMAP_MYSQL_CONNECTION_DATA' must be set for MySQL or MariaDB.\"\r\n        );\r\n      }\r\n\r\n      if (\r\n        !mysqlConnectionStringPattern.test(\r\n          process.env.TEXTTOMAP_MYSQL_CONNECTION_DATA\r\n        )\r\n      ) {\r\n        throw new Error(\r\n          \"Environmental variable 'TEXTTOMAP_MYSQL_CONNECTION_DATA' must be in format 'host:port:user:password:database'.\"\r\n        );\r\n      }\r\n      envConfig.mysqlConnectionString =\r\n        process.env.TEXTTOMAP_MYSQL_CONNECTION_DATA;\r\n    } else if (envConfig.dbType === SupportedDbType.sqlite) {\r\n      if (process.env.TEXTTOMAP_SQLITE_PATH) {\r\n        envConfig.filePath = process.env.TEXTTOMAP_SQLITE_PATH;\r\n      }\r\n    }\r\n  }\r\n  return envConfig;\r\n};\r\n\r\nexport const nonEmptyOrNull = (value: string): string | null => {\r\n  return value ? value : null;\r\n};\r\n\r\nexport const rawQuery = async (\r\n  query: string,\r\n  ...bindings: readonly Knex.RawBinding[]\r\n): Promise<any[]> => {\r\n  const knex = getKnexDb();\r\n  const result = await knex.raw(query, ...bindings);\r\n  return isMysql(knex) ? result[0] : result;\r\n};\r\n\r\n/**\r\n * Efficiently insert multiple rows. If preventDuplicatesByFirstColumn is true, the first\r\n * column should be unique (PK or UNIQUE).\r\n */\r\nexport const insertMultipleRows = async (\r\n  rows: string[][],\r\n  table: string,\r\n  columnNames: string[],\r\n  preventDuplicates: boolean = true\r\n): Promise<number> => {\r\n  if (rows.length === 0) {\r\n    return 0;\r\n  }\r\n\r\n  const insertPlaceholders = generate2DPlaceholders(\r\n    columnNames.length,\r\n    rows.length\r\n  );\r\n\r\n  const knex = getKnexDb();\r\n\r\n  const onConfict =\r\n    preventDuplicates && !isMysql(knex) ? `ON CONFLICT DO NOTHING` : \"\";\r\n\r\n  await rawQuery(\r\n    `INSERT ${isMysql(knex) ? \"IGNORE\" : \"\"} INTO ${table} (${columnNames.join(\r\n      \",\"\r\n    )}) VALUES ${insertPlaceholders} ${onConfict}`,\r\n    rows.flat()\r\n  );\r\n\r\n  return rows.length;\r\n};\r\n\r\n/**\r\n * Insert a single row and return the autoincremented ID.\r\n */\r\nexport const insertAutoincrementRow = async (\r\n  row: any[],\r\n  table: string,\r\n  columnNames: string[]\r\n): Promise<number | null> => {\r\n  const data = columnNames.reduce((obj, columnName, index) => {\r\n    obj[columnName] = row[index];\r\n    return obj;\r\n  }, {});\r\n\r\n  const result = await getKnexDb().insert(data).into(table);\r\n\r\n  return result ? Number(result) : null;\r\n};\r\n\r\nexport const deleteMultipleRowsKnex = async (\r\n  keys: string[],\r\n  table: string,\r\n  keyColumnName: string\r\n): Promise<void> => {\r\n  if (keys.length === 0) {\r\n    return;\r\n  }\r\n  await getKnexDb().from(table).whereIn(keyColumnName, keys).del();\r\n};\r\n\r\nconst generateRepetitiveString = (\r\n  value: string,\r\n  glue: string,\r\n  n: number\r\n): string => {\r\n  return new Array(n).fill(value).join(glue);\r\n};\r\n\r\nexport const generatePlaceholders = (n: number): string => {\r\n  return generateRepetitiveString(\"?\", \",\", n);\r\n};\r\n\r\nexport const generate2DPlaceholders = (\r\n  inner: number,\r\n  outer: number\r\n): string => {\r\n  return generateRepetitiveString(\r\n    `(${generatePlaceholders(inner)})`,\r\n    \",\",\r\n    outer\r\n  );\r\n};\r\n\r\nexport const extractKeyValuesPairs = (\r\n  array: string[][],\r\n  keyIndex: number,\r\n  valuesIndices: number[]\r\n): string[][] => {\r\n  const object = array.reduce((acc: object, data: string[]) => {\r\n    if (data[keyIndex]) {\r\n      acc[data[keyIndex]] = valuesIndices.map((index: number) =>\r\n        nonEmptyOrNull(data[index])\r\n      );\r\n    }\r\n    return acc;\r\n  }, {});\r\n\r\n  return Object.keys(object).map((key) => [key, ...object[key]]);\r\n};\r\n"]}