add server to monorepo.

packages/server/src/collection/BudgetEntriesSet.ts

@@ -0,0 +1,76 @@
+
+
+export default class BudgetEntriesSet {
+
+  constructor() {
+    this.accounts = {}; 
+    this.totalSummary = {}
+    this.orderSize = null;
+  }
+
+  setZeroPlaceholder() {
+    if (!this.orderSize) { return; }
+
+    Object.values(this.accounts).forEach((account) => {
+
+      for (let i = 0; i <= this.orderSize.length; i++) {
+        if (typeof account[i] === 'undefined') {
+          account[i] = { amount: 0 };
+        }
+      }
+    });
+  }
+
+  static from(accounts, configs) {
+    const collection = new this(configs);
+
+    accounts.forEach((entry) => {
+      if (typeof this.accounts[entry.accountId] === 'undefined') {
+        collection.accounts[entry.accountId] = {};
+      }
+      if (entry.order) {
+        collection.accounts[entry.accountId][entry.order] = entry;
+      }
+    });
+    return collection;
+  }
+
+  toArray() {
+    const output = [];
+
+    Object.key(this.accounts).forEach((accountId) => {
+      const entries = this.accounts[accountId];
+      output.push({
+        account_id: accountId,
+        entries: [
+          ...Object.key(entries).map((order) => {
+            const entry = entries[order];
+            return {
+              order,
+              amount: entry.amount,
+            };
+          }),
+        ],
+      });
+    });
+  }
+
+  calcTotalSummary() {
+    const totalSummary = {};
+
+    for (let i = 0; i < this.orderSize.length; i++) {
+      Object.value(this.accounts).forEach((account) => {
+        if (typeof totalSummary[i] !== 'undefined') {
+          totalSummary[i] = { amount: 0, order: i };
+        }
+        totalSummary[i].amount += account[i].amount;
+      });
+    }
+    this.totalSummary = totalSummary;
+  }
+
+  toArrayTotalSummary() {
+    return Object.values(this.totalSummary);
+  }
+
+}

packages/server/src/collection/Metable.ts

@@ -0,0 +1,279 @@
+
+
+export default {
+  METADATA_GROUP: 'default',
+  KEY_COLUMN: 'key',
+  VALUE_COLUMN: 'value',
+  TYPE_COLUMN: 'type',
+
+  extraColumns: [],
+  metadata: [],
+  shouldReload: true,
+  extraMetadataQuery: () => {},
+
+  /**
+   * Set the value column key to query from.
+   * @param {String} name -
+   */
+  setKeyColumnName(name) {
+    this.KEY_COLUMN = name;
+  },
+
+  /**
+   * Set the key column name to query from.
+   * @param {String} name -
+   */
+  setValueColumnName(name) {
+    this.VALUE_COLUMN = name;
+  },
+
+  /**
+   * Set extra columns to be added to the rows.
+   * @param {Array} columns -
+   */
+  setExtraColumns(columns) {
+    this.extraColumns = columns;
+  },
+ 
+  /**
+   * Metadata database query.
+   * @param {Object} query -
+   * @param {String} groupName -
+   */
+  whereQuery(query, key) {
+    const groupName = this.METADATA_GROUP;
+
+    if (groupName) {
+      query.where('group', groupName);
+    }
+    if (key) {
+      if (Array.isArray(key)) {
+        query.whereIn('key', key);
+      } else {
+        query.where('key', key);
+      }
+    }
+  },
+
+  /**
+   * Loads the metadata from the storage.
+   * @param {String|Array} key -
+   * @param {Boolean} force -
+   */
+  async load(force = false) {
+    if (this.shouldReload || force) {
+      const metadataCollection = await this.query((query) => {
+        this.whereQuery(query);
+        this.extraMetadataQuery(query);
+      }).fetchAll();
+
+      this.shouldReload = false;
+      this.metadata = [];
+
+      const metadataArray = this.mapMetadataCollection(metadataCollection);
+      metadataArray.forEach((metadata) => { this.metadata.push(metadata); });
+    }
+  },
+
+  /**
+   * Fetches all the metadata that associate with the current group.
+   */
+  async allMeta(force = false) {
+    await this.load(force);
+    return this.metadata;
+  },
+
+  /**
+   * Find the given metadata key.
+   * @param {String} key -
+   * @return {object} - Metadata object.
+   */
+  findMeta(key) {
+    return this.metadata.find((meta) => meta.key === key);
+  },
+
+  /**
+   * Fetch the metadata of the current group.
+   * @param {*} key -
+   */
+  async getMeta(key, defaultValue, force = false) {
+    await this.load(force);
+
+    const metadata = this.findMeta(key);
+    return metadata ? metadata.value : defaultValue || false;
+  },
+
+  /**
+   * Markes the metadata to should be deleted.
+   * @param {String} key -
+   */
+  async removeMeta(key) {
+    await this.load();
+    const metadata = this.findMeta(key);
+
+    if (metadata) {
+      metadata.markAsDeleted = true;
+    }
+    this.shouldReload = true;
+  
+
+  /**
+   * Remove all meta data of the given group.
+   * @param {*} group
+   */
+  removeAllMeta(group = 'default') {
+    this.metdata.map((meta) => ({
+      ...(meta.group !== group) ? { markAsDeleted: true } : {},
+      ...meta,
+    }));
+    this.shouldReload = true;
+  },
+
+  /**
+   * Set the meta data to the stack.
+   * @param {String} key -
+   * @param {String} value -
+   */
+  async setMeta(key, value, payload) {
+    if (Array.isArray(key)) {
+      const metadata = key;
+      metadata.forEach((meta) => {
+        this.setMeta(meta.key, meta.value);
+      });
+      return;
+    }
+
+    await this.load();
+    const metadata = this.findMeta(key);
+
+    if (metadata) {
+      metadata.value = value;
+      metadata.markAsUpdated = true;
+    } else {
+      this.metadata.push({
+        value, key, ...payload, markAsInserted: true,
+      });
+    }
+  },
+
+  /**
+   * Saved the modified metadata.
+   */
+  async saveMeta() {
+    const inserted = this.metadata.filter((m) => (m.markAsInserted === true));
+    const updated = this.metadata.filter((m) => (m.markAsUpdated === true));
+    const deleted = this.metadata.filter((m) => (m.markAsDeleted === true));
+
+    const metadataDeletedKeys = deleted.map((m) => m.key);
+    const metadataInserted = inserted.map((m) => this.mapMetadata(m, 'format'));
+    const metadataUpdated = updated.map((m) => this.mapMetadata(m, 'format'));
+
+    const batchUpdate = (collection) => knex.transaction((trx) => {
+      const queries = collection.map((tuple) => {
+        const query = knex(this.tableName);
+        this.whereQuery(query, tuple.key);
+        this.extraMetadataQuery(query);
+        return query.update(tuple).transacting(trx);
+      });
+      return Promise.all(queries).then(trx.commit).catch(trx.rollback);
+    });
+
+    await Promise.all([
+      knex.insert(metadataInserted).into(this.tableName),
+      batchUpdate(metadataUpdated),
+      metadataDeletedKeys.length > 0
+        ? this.query('whereIn', this.KEY_COLUMN, metadataDeletedKeys).destroy({
+          require: true,
+        }) : null,
+    ]);
+    this.shouldReload = true;
+  },
+
+  /**
+   * Purge all the cached metadata in the memory.
+   */
+  purgeMetadata() {
+    this.metadata = [];
+    this.shouldReload = true;
+  },
+
+  /**
+   * Parses the metadata value.
+   * @param {String} value -
+   * @param {String} valueType -
+   */
+  parseMetaValue(value, valueType) {
+    let parsedValue;
+
+    switch (valueType) {
+      case 'integer':
+        parsedValue = parseInt(value, 10);
+        break;
+      case 'float':
+        parsedValue = parseFloat(value);
+        break;
+      case 'boolean':
+        parsedValue = Boolean(value);
+        break;
+      case 'json':
+        parsedValue = JSON.parse(parsedValue);
+        break;
+      default:
+        parsedValue = value;
+        break;
+    }
+    return parsedValue;
+  },
+
+  /**
+   * Format the metadata before saving to the database.
+   * @param {String|Number|Boolean} value -
+   * @param {String} valueType -
+   * @return {String|Number|Boolean} -
+   */
+  formatMetaValue(value, valueType) {
+    let parsedValue;
+
+    switch (valueType) {
+      case 'number':
+        parsedValue = `${value}`;
+        break;
+      case 'boolean':
+        parsedValue = value ? '1' : '0';
+        break;
+      case 'json':
+        parsedValue = JSON.stringify(parsedValue);
+        break;
+      default:
+        parsedValue = value;
+        break;
+    }
+    return parsedValue;
+  },
+
+  mapMetadata(attr, parseType = 'parse') {
+    return {
+      key: attr[this.KEY_COLUMN],
+      value: (parseType === 'parse')
+        ? this.parseMetaValue(
+          attr[this.VALUE_COLUMN],
+          this.TYPE_COLUMN ? attr[this.TYPE_COLUMN] : false,
+        )
+        : this.formatMetaValue(
+          attr[this.VALUE_COLUMN],
+          this.TYPE_COLUMN ? attr[this.TYPE_COLUMN] : false,
+        ),
+      ...this.extraColumns.map((extraCol) => ({
+        [extraCol]: attr[extraCol] || null,
+      })),
+    };
+  },
+
+  /**
+   * Parse the metadata collection.
+   * @param {Array} collection -
+   */
+  mapMetadataCollection(collection, parseType = 'parse') {
+    return collection.map((model) => this.mapMetadata(model.attributes, parseType));
+  },
+};

packages/server/src/collection/NestedSet/index.ts

@@ -0,0 +1,116 @@
+
+export default class NestedSet {
+  /**
+   * Constructor method.
+   * @param {Object} options -
+   */
+  constructor(items, options) {
+    this.options = {
+      parentId: 'parent_id',
+      id: 'id',
+      ...options,
+    };
+    this.items = items || [];
+    this.tree = this.linkChildren();
+  }
+
+  setItems(items) {
+    this.items = items;
+    this.tree = this.linkChildren();
+  }
+
+  /**
+   * Link nodes children.
+   */
+  linkChildren() {
+    if (this.items.length <= 0) return false;
+
+    const map = {};
+    this.items.forEach((item) => {
+      map[item.id] = item;
+      map[item.id].children = {};
+    });
+
+    this.items.forEach((item) => {
+      const parentNodeId = item[this.options.parentId];
+      if (parentNodeId) {
+        map[parentNodeId].children[item.id] = item;
+      }
+    });
+    return map;
+  }
+
+  toArray() {
+    const stack = [];
+    const treeNodes = this.items.map((i) => ({ ...i }));
+
+    const walk = (nodes) => {
+      nodes.forEach((node) => {
+        if (!node[this.options.parentId]) {
+          stack.push(node);
+        }
+        if (node.children) {
+          const childrenNodes = Object.values(node.children)
+            .map((i) => ({ ...i }));
+
+          node.children = childrenNodes;
+          walk(childrenNodes);
+        }
+      });
+    };
+    walk(treeNodes);
+    return stack;
+  }
+
+  getTree() {
+    return this.tree;
+  }
+
+  getElementById(id) {
+    return this.tree[id] || null
+  }
+
+  getParents(id) {
+    const item = this.getElementById(id);
+    const parents = [];
+    let index = 0;
+
+    const walk = (_item) => {
+      if (!item) return;
+
+      if (index) {
+        parents.push(_item);
+      }
+      if (_item[this.options.parentId]) {
+        const parentItem = this.getElementById(_item[this.options.parentId]);  
+
+        index++;
+        walk(parentItem);
+      }      
+    };
+    walk(item);
+    return parents;
+  }
+
+  toFlattenArray(nodeMapper) {
+    const flattenTree = [];
+
+    const traversal = (nodes, parentNode) => {
+      nodes.forEach((node) => {
+        let nodeMapped = node;
+
+        if (typeof nodeMapper === 'function') {
+          nodeMapped = nodeMapper(nodeMapped, parentNode);
+        }
+        flattenTree.push(nodeMapped);
+
+        if (node.children && node.children.length > 0) {
+          traversal(node.children, node);
+        }
+      });
+    };
+    traversal(this.collection);
+
+    return flattenTree;
+  }
+}

packages/server/src/collection/ResourceFieldMetadataCollection.ts

@@ -0,0 +1,14 @@
+import MetableCollection from '@/lib/Metable/MetableCollection';
+import ResourceFieldMetadata from 'models/ResourceFieldMetadata';
+
+export default class ResourceFieldMetadataCollection extends MetableCollection {
+  /**
+   * Constructor method.
+   */
+  constructor() {
+    super();
+
+    this.setModel(ResourceFieldMetadata);
+    this.extraColumns = ['resource_id', 'resource_item_id'];
+  }
+}

packages/server/src/collection/SoftDeleteQueryBuilder.ts

@@ -0,0 +1,73 @@
+import moment from 'moment';
+import { Model } from 'objection';
+
+const options = {
+  columnName: 'deleted_at',
+  deletedValue: moment().format('YYYY-MM-DD HH:mm:ss'),
+  notDeletedValue: null,
+};
+
+export default class SoftDeleteQueryBuilder extends Model.QueryBuilder {
+  constructor(...args) {
+    super(...args);
+
+    this.onBuild((builder) => {
+      if (builder.isFind() || builder.isDelete() || builder.isUpdate()) {
+        builder.whereNotDeleted();
+      }
+    });
+  }
+
+  /**
+   * override the normal delete function with one that patches the row's "deleted" column
+   */
+  delete() {
+    this.context({
+      softDelete: true,
+    });
+    const patch = {};
+    patch[options.columnName] = options.deletedValue;
+    return this.patch(patch);
+  }
+
+  /**
+   * Provide a way to actually delete the row if necessary
+   */
+  hardDelete() {
+    return super.delete();
+  }
+
+  /**
+   * Provide a way to undo the delete
+   */
+  undelete() {
+    this.context({
+      undelete: true,
+    });
+    const patch = {};
+    patch[options.columnName] = options.notDeletedValue;
+    return this.patch(patch);
+  }
+
+  /**
+   * Provide a way to filter to ONLY deleted records without having to remember the column name
+   */
+  whereDeleted() {
+    const prefix = this.modelClass().tableName;
+
+    // this if is for backwards compatibility, to protect those that used a nullable `deleted` field
+    if (options.deletedValue === true) {
+      return this.where(`${prefix}.${options.columnName}`, options.deletedValue);
+    }
+    // qualify the column name
+    return this.whereNot(`${prefix}.${options.columnName}`, options.notDeletedValue);
+  }
+
+  // provide a way to filter out deleted records without having to remember the column name
+  whereNotDeleted() {
+    const prefix = this.modelClass().tableName;
+
+    // qualify the column name
+    return this.where(`${prefix}.${options.columnName}`, options.notDeletedValue);
+  }
+}