Calcul des codes postaux en utilisant Datanova et les contours postaux

.env.sample

@@ -38,6 +38,8 @@ GAZETTEER_DB_PATH=data/gazetteer.sqlite
 MAJIC_PATH=/data/majic.sqlite
 CONTOURS_DATA_PATH=data/communes-50m.sqlite
 COMMUNES_LOCAUX_ADRESSES_DATA_PATH=data/communes-locaux-adresses.json
+CP_PATH=db-migrations/data/cp_group.geojson
+DATANOVA_PATH=db-migrations/data/datanova_06.csv
 
 # Others
 DEPARTEMENTS= # Comma separated list of departements for dev only

.gitignore

@@ -68,4 +68,5 @@ typings/
 /toolbox.dev/data
 
 # Migration data backup
-db-migrations/migrations/data-backup
+db-migrations/migrations/data-backup
+db-migrations/data/

db-migrations/migrations/20240619135943-init-postal-area-table.cjs

@@ -0,0 +1,103 @@
+'use strict'
+
+const fs = require('fs')
+const {Transform} = require('stream')
+const JSONStream = require('JSONStream')
+
+const {POSTGRES_BAN_USER} = process.env
+const {CP_PATH} = process.env
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query('CREATE SCHEMA IF NOT EXISTS external;')
+    await queryInterface.sequelize.query(`GRANT USAGE ON SCHEMA external TO "${POSTGRES_BAN_USER}";`)
+
+    await queryInterface.createTable('postal_area', {
+      id: {
+        type: Sequelize.INTEGER,
+        primaryKey: true,
+        autoIncrement: true,
+        allowNull: false,
+      },
+      postalCode: {
+        type: Sequelize.STRING,
+        allowNull: false,
+      },
+      inseeCom: {
+        type: Sequelize.STRING,
+        allowNull: false,
+      },
+      geometry: {
+        type: Sequelize.GEOMETRY,
+        allowNull: false,
+      },
+      createdAt: {
+        type: Sequelize.DATE,
+        allowNull: true,
+      },
+      updatedAt: {
+        type: Sequelize.DATE,
+        allowNull: true,
+      },
+    }, {
+      schema: 'external',
+      ifNotExists: true,
+    })
+
+    await queryInterface.sequelize.query(`
+      CREATE OR REPLACE FUNCTION update_updated_at_column()
+      RETURNS TRIGGER AS $$
+      BEGIN
+        NEW."updatedAt" = NOW();
+        RETURN NEW;
+      END;
+      $$ LANGUAGE plpgsql;
+    `)
+
+    await queryInterface.sequelize.query(`
+      CREATE TRIGGER update_postal_area_updated_at
+      BEFORE UPDATE ON external.postal_area
+      FOR EACH ROW
+      EXECUTE FUNCTION update_updated_at_column();
+    `)
+
+    const {sequelize} = queryInterface
+
+    const insertFeature = async feature => {
+      const {cp: postalCode, insee_com: inseeCom} = feature.properties
+      const geom = JSON.stringify(feature.geometry)
+      const query = `
+        INSERT INTO external.postal_area ("postalCode", "inseeCom", geometry, "createdAt", "updatedAt")
+        VALUES ($1, $2, ST_SetSRID(ST_GeomFromGeoJSON($3), 2154), NOW(), NOW())
+      `
+      await sequelize.query(query, {
+        bind: [postalCode, inseeCom, geom],
+      })
+    }
+
+    const stream = fs.createReadStream(CP_PATH)
+      .pipe(JSONStream.parse('features.*'))
+      .pipe(new Transform({
+        objectMode: true,
+        async transform(feature, encoding, callback) {
+          try {
+            await insertFeature(feature)
+            callback()
+          } catch (error) {
+            callback(error)
+          }
+        },
+      }))
+    return new Promise((resolve, reject) => {
+      stream.on('finish', resolve)
+      stream.on('error', reject)
+    })
+  },
+
+  async down(queryInterface, _Sequelize) {
+    await queryInterface.dropTable({tableName: 'postal_area', schema: 'external'})
+    await queryInterface.sequelize.query('DROP FUNCTION IF EXISTS update_updated_at_column() CASCADE;')
+    await queryInterface.sequelize.query('DROP SCHEMA IF EXISTS external CASCADE;')
+  },
+}

db-migrations/migrations/20240621094048-init-datanova-table.cjs

@@ -0,0 +1,140 @@
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const Papa = require('papaparse')
+
+const {DATANOVA_PATH} = process.env
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    const transaction = await queryInterface.sequelize.transaction()
+    try {
+      await queryInterface.sequelize.query('CREATE SCHEMA IF NOT EXISTS external', {transaction})
+
+      const {POSTGRES_BAN_USER} = process.env
+      await queryInterface.sequelize.query(`GRANT USAGE ON SCHEMA external TO "${POSTGRES_BAN_USER}"`, {transaction})
+
+      await queryInterface.createTable({
+        schema: 'external',
+        tableName: 'datanova'
+      }, {
+        id: {
+          type: Sequelize.INTEGER,
+          primaryKey: true,
+          autoIncrement: true
+        },
+        inseeCom: {
+          type: Sequelize.STRING,
+          allowNull: false,
+        },
+        postalCodes: {
+          type: Sequelize.ARRAY(Sequelize.STRING),
+          allowNull: false,
+        },
+        libelleAcheminementWithPostalCodes: {
+          type: Sequelize.TEXT,
+          allowNull: false,
+        },
+        createdAt: {
+          type: Sequelize.DATE,
+          allowNull: false,
+          defaultValue: Sequelize.fn('now')
+        },
+        updatedAt: {
+          type: Sequelize.DATE,
+          allowNull: false,
+          defaultValue: Sequelize.fn('now')
+        }
+      }, {transaction})
+
+      const csvFilePath = path.resolve(DATANOVA_PATH)
+
+      const csvFileContent = fs.readFileSync(csvFilePath, 'utf8')
+
+      console.log('CSV file read successfully')
+
+      const dataRaw = Papa.parse(csvFileContent, {
+        header: true,
+        transformHeader(name) {
+          switch (name.toLowerCase()) {
+            case 'code_commune_insee':
+              return 'codeInsee'
+            case 'nom_de_la_commune':
+              return 'nomCommune'
+            case 'code_postal':
+              return 'codePostal'
+            case 'libelle_d_acheminement':
+              return 'libelleAcheminement'
+            case 'ligne_5':
+              return 'ligne5'
+            case '_geopoint':
+              return 'geopoint'
+            default:
+              return name
+          }
+        },
+        skipEmptyLines: true,
+      })
+
+      console.log('CSV file parsed successfully')
+
+      const inseeDataMap = dataRaw.data.reduce((acc, {codeInsee, codePostal, libelleAcheminement}) => {
+        if (!acc[codeInsee]) {
+          acc[codeInsee] = {
+            inseeCom: codeInsee,
+            postalCodes: new Set(),
+            libelleAcheminementWithPostalCodes: {},
+            createdAt: new Date(),
+            updatedAt: new Date(),
+          }
+        }
+
+        acc[codeInsee].postalCodes.add(codePostal)
+        if (!acc[codeInsee].libelleAcheminementWithPostalCodes[codePostal]) {
+          acc[codeInsee].libelleAcheminementWithPostalCodes[codePostal] = libelleAcheminement
+        }
+
+        return acc
+      }, {})
+
+      const formattedData = Object.values(inseeDataMap).map(entry => ({
+        ...entry,
+        postalCodes: [...entry.postalCodes],
+        libelleAcheminementWithPostalCodes: JSON.stringify(entry.libelleAcheminementWithPostalCodes)
+      }))
+
+      await queryInterface.bulkInsert({schema: 'external', tableName: 'datanova'}, formattedData, {transaction})
+      console.log('Data inserted successfully into external.datanova table')
+
+      // Convert the column to JSONB after insertion
+      await queryInterface.sequelize.query(`
+        ALTER TABLE external.datanova 
+        ALTER COLUMN "libelleAcheminementWithPostalCodes" 
+        TYPE JSONB USING "libelleAcheminementWithPostalCodes"::JSONB
+      `, {transaction})
+      console.log('Column libelleAcheminementWithPostalCodes converted to JSONB')
+
+      await transaction.commit()
+    } catch (error) {
+      await transaction.rollback()
+      console.error('Error during migration:', error)
+    }
+  },
+
+  async down(queryInterface) {
+    const transaction = await queryInterface.sequelize.transaction()
+    try {
+      await queryInterface.dropTable({schema: 'external', tableName: 'datanova'}, {transaction})
+      console.log('Table external.datanova dropped successfully')
+
+      await queryInterface.sequelize.query('DROP SCHEMA IF EXISTS external CASCADE', {transaction})
+      console.log('Schema external dropped successfully')
+
+      await transaction.commit()
+    } catch (error) {
+      await transaction.rollback()
+      console.error('Error during migration rollback:', error)
+    }
+  }
+}