grind-cache/lib/DatabaseStore.js

Cache provider for Grind, powered by node-cache-manager

"use strict";

function _isnil(val) { return val === null || typeof val === 'undefined'; }

class DatabaseStore {
  constructor(options) {
    this.db = null;
    this.name = 'database';
    this.table = null;
    this.ttl = null;
    this.usePromises = true;
    this.db = options.connection;
    this.table = options.table || 'cache';
    this.ttl = options.ttl || 60;
    this.usePromises = options.noPromises !== true;
  }

  set(key, value, options, callback) {
    if (typeof options === 'function') {
      callback = options;
      options = {};
    }

    options = options || {};
    value = JSON.stringify(value) || null;
    const expires = new Date(Date.now() + (options.ttl || this.ttl) * 1000);
    const values = {
      key,
      value,
      expires_at: expires
    };
    return this._wrapPromise(callback, this.db(this.table).insert(values).catch(() => this.db(this.table).where({
      key
    }).update(values)));
  }

  get(key, options, callback) {
    if (typeof options === 'function') {
      callback = options;
    }

    return this._wrapPromise(callback, this.db(this.table).where({
      key
    }).first().then(value => {
      if (_isnil(value)) {
        return null;
      }

      if (value.expires_at < Date.now()) {
        return this.del(key).catch(() => null).then(() => null);
      }

      value = JSON.parse(value.value);

      if (typeof value.type === 'string' && value.type === 'Buffer') {
        return new Buffer(value.data);
      }

      return value;
    }));
  }

  del(key, options, callback) {
    if (typeof options === 'function') {
      callback = options;
    }

    return this._wrapPromise(callback, this.db(this.table).where({
      key
    }).delete());
  }

  reset(callback) {
    return this._wrapPromise(callback, this.db(this.table).delete());
  }

  keys(callback) {
    return this._wrapPromise(callback, this.db(this.table).select('key').then(keys => keys.map(key => key.key)));
  }

  _wrapPromise(callback, promise) {
    return promise.then(value => {
      if (_isnil(callback)) {
        return value;
      }

      process.nextTick(callback.bind(null, null, value));
    }).catch(err => {
      if (_isnil(callback)) {
        throw err;
      }

      process.nextTick(callback.bind(null, err));
    });
  }

  static create(options) {
    return new this(options.options);
  }

}

module.exports = {
  create: DatabaseStore.create.bind(DatabaseStore)
};
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../src/DatabaseStore.js"],"names":["DatabaseStore","constructor","options","db","name","table","ttl","usePromises","connection","noPromises","set","key","value","callback","JSON","stringify","expires","Date","now","values","expires_at","_wrapPromise","insert","catch","where","update","get","first","then","del","parse","type","Buffer","data","delete","reset","keys","select","map","promise","process","nextTick","bind","err","create","module","exports"],"mappings":";;;;AAAA,MAAMA,aAAN,CAAoB;AAOnBC,EAAAA,WAAW,CAACC,OAAD,EAAU;AAAA,SANrBC,EAMqB,GANhB,IAMgB;AAAA,SALrBC,IAKqB,GALd,UAKc;AAAA,SAJrBC,KAIqB,GAJb,IAIa;AAAA,SAHrBC,GAGqB,GAHf,IAGe;AAAA,SAFrBC,WAEqB,GAFP,IAEO;AACpB,SAAKJ,EAAL,GAAUD,OAAO,CAACM,UAAlB;AACA,SAAKH,KAAL,GAAaH,OAAO,CAACG,KAAR,IAAiB,OAA9B;AACA,SAAKC,GAAL,GAAWJ,OAAO,CAACI,GAAR,IAAe,EAA1B;AACA,SAAKC,WAAL,GAAmBL,OAAO,CAACO,UAAR,KAAuB,IAA1C;AACA;;AAEDC,EAAAA,GAAG,CAACC,GAAD,EAAMC,KAAN,EAAaV,OAAb,EAAsBW,QAAtB,EAAgC;AAClC,QAAI,OAAOX,OAAP,KAAmB,UAAvB,EAAmC;AAClCW,MAAAA,QAAQ,GAAGX,OAAX;AACAA,MAAAA,OAAO,GAAG,EAAV;AACA;;AAEDA,IAAAA,OAAO,GAAGA,OAAO,IAAI,EAArB;AACAU,IAAAA,KAAK,GAAGE,IAAI,CAACC,SAAL,CAAeH,KAAf,KAAyB,IAAjC;AAEA,UAAMI,OAAO,GAAG,IAAIC,IAAJ,CAASA,IAAI,CAACC,GAAL,KAAa,CAAChB,OAAO,CAACI,GAAR,IAAe,KAAKA,GAArB,IAA4B,IAAlD,CAAhB;AACA,UAAMa,MAAM,GAAG;AAAER,MAAAA,GAAF;AAAOC,MAAAA,KAAP;AAAcQ,MAAAA,UAAU,EAAEJ;AAA1B,KAAf;AAEA,WAAO,KAAKK,YAAL,CACNR,QADM,EAEN,KAAKV,EAAL,CAAQ,KAAKE,KAAb,EACEiB,MADF,CACSH,MADT,EAEEI,KAFF,CAEQ,MAAM,KAAKpB,EAAL,CAAQ,KAAKE,KAAb,EAAoBmB,KAApB,CAA0B;AAAEb,MAAAA;AAAF,KAA1B,EAAmCc,MAAnC,CAA0CN,MAA1C,CAFd,CAFM,CAAP;AAMA;;AAEDO,EAAAA,GAAG,CAACf,GAAD,EAAMT,OAAN,EAAeW,QAAf,EAAyB;AAC3B,QAAI,OAAOX,OAAP,KAAmB,UAAvB,EAAmC;AAClCW,MAAAA,QAAQ,GAAGX,OAAX;AACA;;AAED,WAAO,KAAKmB,YAAL,CACNR,QADM,EAEN,KAAKV,EAAL,CAAQ,KAAKE,KAAb,EACEmB,KADF,CACQ;AAAEb,MAAAA;AAAF,KADR,EAEEgB,KAFF,GAGEC,IAHF,CAGOhB,KAAK,IAAI;AACd,iBAAIA,KAAJ,GAAiB;AAChB,eAAO,IAAP;AACA;;AAED,UAAIA,KAAK,CAACQ,UAAN,GAAmBH,IAAI,CAACC,GAAL,EAAvB,EAAmC;AAClC,eAAO,KAAKW,GAAL,CAASlB,GAAT,EACLY,KADK,CACC,MAAM,IADP,EAELK,IAFK,CAEA,MAAM,IAFN,CAAP;AAGA;;AAEDhB,MAAAA,KAAK,GAAGE,IAAI,CAACgB,KAAL,CAAWlB,KAAK,CAACA,KAAjB,CAAR;;AAEA,UAAI,OAAOA,KAAK,CAACmB,IAAb,KAAsB,QAAtB,IAAkCnB,KAAK,CAACmB,IAAN,KAAe,QAArD,EAA+D;AAC9D,eAAO,IAAIC,MAAJ,CAAWpB,KAAK,CAACqB,IAAjB,CAAP;AACA;;AAED,aAAOrB,KAAP;AACA,KArBF,CAFM,CAAP;AAyBA;;AAEDiB,EAAAA,GAAG,CAAClB,GAAD,EAAMT,OAAN,EAAeW,QAAf,EAAyB;AAC3B,QAAI,OAAOX,OAAP,KAAmB,UAAvB,EAAmC;AAClCW,MAAAA,QAAQ,GAAGX,OAAX;AACA;;AAED,WAAO,KAAKmB,YAAL,CAAkBR,QAAlB,EAA4B,KAAKV,EAAL,CAAQ,KAAKE,KAAb,EAAoBmB,KAApB,CAA0B;AAAEb,MAAAA;AAAF,KAA1B,EAAmCuB,MAAnC,EAA5B,CAAP;AACA;;AAEDC,EAAAA,KAAK,CAACtB,QAAD,EAAW;AACf,WAAO,KAAKQ,YAAL,CAAkBR,QAAlB,EAA4B,KAAKV,EAAL,CAAQ,KAAKE,KAAb,EAAoB6B,MAApB,EAA5B,CAAP;AACA;;AAEDE,EAAAA,IAAI,CAACvB,QAAD,EAAW;AACd,WAAO,KAAKQ,YAAL,CACNR,QADM,EAEN,KAAKV,EAAL,CAAQ,KAAKE,KAAb,EACEgC,MADF,CACS,KADT,EAEET,IAFF,CAEOQ,IAAI,IAAIA,IAAI,CAACE,GAAL,CAAS3B,GAAG,IAAIA,GAAG,CAACA,GAApB,CAFf,CAFM,CAAP;AAMA;;AAEDU,EAAAA,YAAY,CAACR,QAAD,EAAW0B,OAAX,EAAoB;AAC/B,WAAOA,OAAO,CACZX,IADK,CACAhB,KAAK,IAAI;AACd,iBAAIC,QAAJ,GAAoB;AACnB,eAAOD,KAAP;AACA;;AAED4B,MAAAA,OAAO,CAACC,QAAR,CAAiB5B,QAAQ,CAAC6B,IAAT,CAAc,IAAd,EAAoB,IAApB,EAA0B9B,KAA1B,CAAjB;AACA,KAPK,EAQLW,KARK,CAQCoB,GAAG,IAAI;AACb,iBAAI9B,QAAJ,GAAoB;AACnB,cAAM8B,GAAN;AACA;;AAEDH,MAAAA,OAAO,CAACC,QAAR,CAAiB5B,QAAQ,CAAC6B,IAAT,CAAc,IAAd,EAAoBC,GAApB,CAAjB;AACA,KAdK,CAAP;AAeA;;AAED,SAAOC,MAAP,CAAc1C,OAAd,EAAuB;AACtB,WAAO,IAAI,IAAJ,CAASA,OAAO,CAACA,OAAjB,CAAP;AACA;;AA3GkB;;AA8GpB2C,MAAM,CAACC,OAAP,GAAiB;AAChBF,EAAAA,MAAM,EAAE5C,aAAa,CAAC4C,MAAd,CAAqBF,IAArB,CAA0B1C,aAA1B;AADQ,CAAjB","sourcesContent":["class DatabaseStore {\n\tdb = null\n\tname = 'database'\n\ttable = null\n\tttl = null\n\tusePromises = true\n\n\tconstructor(options) {\n\t\tthis.db = options.connection\n\t\tthis.table = options.table || 'cache'\n\t\tthis.ttl = options.ttl || 60\n\t\tthis.usePromises = options.noPromises !== true\n\t}\n\n\tset(key, value, options, callback) {\n\t\tif (typeof options === 'function') {\n\t\t\tcallback = options\n\t\t\toptions = {}\n\t\t}\n\n\t\toptions = options || {}\n\t\tvalue = JSON.stringify(value) || null\n\n\t\tconst expires = new Date(Date.now() + (options.ttl || this.ttl) * 1000)\n\t\tconst values = { key, value, expires_at: expires }\n\n\t\treturn this._wrapPromise(\n\t\t\tcallback,\n\t\t\tthis.db(this.table)\n\t\t\t\t.insert(values)\n\t\t\t\t.catch(() => this.db(this.table).where({ key }).update(values)),\n\t\t)\n\t}\n\n\tget(key, options, callback) {\n\t\tif (typeof options === 'function') {\n\t\t\tcallback = options\n\t\t}\n\n\t\treturn this._wrapPromise(\n\t\t\tcallback,\n\t\t\tthis.db(this.table)\n\t\t\t\t.where({ key })\n\t\t\t\t.first()\n\t\t\t\t.then(value => {\n\t\t\t\t\tif (value.isNil) {\n\t\t\t\t\t\treturn null\n\t\t\t\t\t}\n\n\t\t\t\t\tif (value.expires_at < Date.now()) {\n\t\t\t\t\t\treturn this.del(key)\n\t\t\t\t\t\t\t.catch(() => null)\n\t\t\t\t\t\t\t.then(() => null)\n\t\t\t\t\t}\n\n\t\t\t\t\tvalue = JSON.parse(value.value)\n\n\t\t\t\t\tif (typeof value.type === 'string' && value.type === 'Buffer') {\n\t\t\t\t\t\treturn new Buffer(value.data)\n\t\t\t\t\t}\n\n\t\t\t\t\treturn value\n\t\t\t\t}),\n\t\t)\n\t}\n\n\tdel(key, options, callback) {\n\t\tif (typeof options === 'function') {\n\t\t\tcallback = options\n\t\t}\n\n\t\treturn this._wrapPromise(callback, this.db(this.table).where({ key }).delete())\n\t}\n\n\treset(callback) {\n\t\treturn this._wrapPromise(callback, this.db(this.table).delete())\n\t}\n\n\tkeys(callback) {\n\t\treturn this._wrapPromise(\n\t\t\tcallback,\n\t\t\tthis.db(this.table)\n\t\t\t\t.select('key')\n\t\t\t\t.then(keys => keys.map(key => key.key)),\n\t\t)\n\t}\n\n\t_wrapPromise(callback, promise) {\n\t\treturn promise\n\t\t\t.then(value => {\n\t\t\t\tif (callback.isNil) {\n\t\t\t\t\treturn value\n\t\t\t\t}\n\n\t\t\t\tprocess.nextTick(callback.bind(null, null, value))\n\t\t\t})\n\t\t\t.catch(err => {\n\t\t\t\tif (callback.isNil) {\n\t\t\t\t\tthrow err\n\t\t\t\t}\n\n\t\t\t\tprocess.nextTick(callback.bind(null, err))\n\t\t\t})\n\t}\n\n\tstatic create(options) {\n\t\treturn new this(options.options)\n\t}\n}\n\nmodule.exports = {\n\tcreate: DatabaseStore.create.bind(DatabaseStore),\n}\n"]}