Ryan oberly

api/recipes_model.js

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+const db = require('../data/db-config')
+
+async function getRecipeById(recipe_id) {
+    const recipe = await db('recipes as r')
+    .leftJoin('steps as s', 'r.recipe_id', 's.recipe_id')
+    .leftJoin('ingredient_quantities as iq', 'iq.step_id','s.step_id')
+    .leftJoin('ingredients as i', 'i.ingredient_id', 'iq.ingredient_id')
+    .select(
+        'r.recipe_id',
+        'r.recipe_name',
+        'r.created_at',
+        's.step_id',
+        's.step_number',
+        's.step_instructions',
+        'i.ingredient_id',
+        'i.ingredient_name',
+        'iq.quantity'
+        )
+    .orderBy('s.step_number')
+    .where('r.recipe_id', recipe_id)
+
+
+    const recipeObj = {
+        recipe_id: recipe[0].recipe_id,
+        recipe_name: recipe[0].recipe_name,
+        created_at: recipe[0].created_at,
+        steps: recipe.reduce((acc, row) => {
+            if (!row.ingredient_id) {
+                return acc.concat({
+                    step_id: row.step_id,
+                    step_number: row.step_number,
+                    step_instructions: row.step_instructions,
+                })
+            }
+            if (row.ingredient_id && !acc.find(step => step.step_id === row.step_id)) {
+                return acc.concat({
+                    step_id: row.step_id,
+                    step_number: row.step_number,
+                    step_instructions: row.step_instructions,
+                    ingredients: [
+                        {
+                            ingredient_id: row.ingredient_id,
+                            ingredient_name: row.ingredient_name,
+                            quantity: row.quantity
+                        }
+                    ]
+                })
+            }
+
+            const currentStep = acc.find(step => step.step_id === row.step_id)
+            currentStep.ingredients.push({
+                ingredient_id: row.ingredient_id,
+                ingredient_name: row.ingredient_name,
+                quantity: row.quantity
+            })
+            return acc
+        }, [])
+    }
+    // console.log(recipeObj)
+    return recipeObj;
+
+}
+
+module.exports = {
+    getRecipeById,
+}

api/recipes_router.js

@@ -0,0 +1,15 @@
+const express = require('express')
+const Recipe = require('./recipes_model')
+
+const router = express.Router();
+
+router.get('/recipes/:id', async (req, res, next) => {
+    const { id } = req.params
+
+    Recipe.getRecipeById(id)
+        .then(recipe => {
+            res.status(200).json(recipe)
+        })
+})
+
+module.exports = router

api/server.js

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+const express = require('express');
+const helmet = require('helmet');
+const router = require('./recipes_router');
+
+const server = express();
+
+server.use(helmet());
+server.use(express.json());
+server.use('/api', router);
+
+server.use((err, req, res, next) => { // eslint-disable-line
+  res.status(500).json({
+    message: err.message,
+    stack: err.stack,
+  });
+});
+
+module.exports = server;

data/db-config.js

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+const knex = require('knex')
+
+const config = require('../knexfile')
+
+module.exports = knex(config.development)

data/migrations/20230919012330_first-migration.js

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+/**
+ * @param { import("knex").Knex } knex
+ * @returns { Promise<void> }
+ */
+exports.up = async function(knex) {
+  await knex.schema
+    .createTable('recipes', table => {
+        table.increments('recipe_id')
+        table.string('recipe_name').notNullable()
+        table.timestamp('created_at').defaultTo(knex.fn.now());
+    })
+    .createTable('ingredients', table => {
+        table.increments('ingredient_id')
+        table.string('ingredient_name').notNullable()
+        table.string('units')
+    })
+    .createTable('steps', table => {
+        table.increments('step_id')
+        table.integer('step_number')
+        table.string('step_instructions')
+        table.integer('recipe_id')
+            .unsigned()
+            .notNullable()
+            .references('recipe_id')
+            .inTable('recipes')
+            .onDelete('RESTRICT')
+            .onUpdate('RESTRICT')
+    })
+
+    .createTable('ingredient_quantities', table => {
+        table.increments('iq_id')
+        table.string('quantity')
+        table.float('step_id')
+            .unsigned()
+            .notNullable()
+            .references('step_id')
+            .inTable('steps')
+            .onDelete('RESTRICT')
+            .onUpdate('RESTRICT')
+        table.integer('ingredient_id')
+            .unsigned()
+            .notNullable()
+            .references('ingredient_id')
+            .inTable('ingredients')
+            .onDelete('RESTRICT')
+            .onUpdate('RESTRICT')
+
+    })
+};
+
+/**
+ * @param { import("knex").Knex } knex
+ * @returns { Promise<void> }
+ */
+exports.down = async function(knex) {
+  await knex.schema
+    .dropTableIfExists('ingredient_quantities')
+    .dropTableIfExists('ingredients')
+    .dropTableIfExists('steps')
+    .dropTableIfExists('recipes')
+};

data/seeds/00-cleanup.js

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+const cleaner = require('knex-cleaner');
+
+exports.seed = function(knex) {
+  return cleaner.clean(knex, {
+    mode: 'truncate', // resets ids
+    ignoreTables: ['knex_migrations', 'knex_migrations_lock'], // don't empty migration tables
+  });
+};

data/seeds/01-recipes.js

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+exports.seed = function(knex, Promise) {
+  return knex('recipes').insert([   
+    {recipe_name: "Bananas Foster"}
+  ]);
+};

data/seeds/02-ingredients.js

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+exports.seed = function(knex, Promise) {
+  return knex('ingredients').insert([   
+    { ingredient_name: "bananas" },
+    { ingredient_name: "banana sauce"}
+  ]);
+};

data/seeds/03-steps.js

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+exports.seed = function(knex, Promise) {
+  return knex('steps').insert([   
+    { step_number: 1, step_instructions: "gather ingredients", recipe_id: 1 },
+    { step_number: 2, step_instructions: "combine ingredients", recipe_id: 1}
+  ]);
+};

data/seeds/04-ingredient_quantities.js

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+exports.seed = function(knex, Promise) {
+  return knex('ingredient_quantities').insert([   
+    {quantity: 0.4, step_id: 1, ingredient_id: 1},
+    {quantity: 9, step_id: 2, ingredient_id: 2},
+    {quantity: 5, step_id: 1, ingredient_id: 2}
+  ]);
+};

index.js

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+const server = require('./api/server')
+require('dotenv').config();
+
+const PORT = process.env.PORT
+
+server.listen(PORT, () => {
+    console.log(`Listening on port ${PORT}`);
+})

knexfile.js

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+module.exports = {
+  development: {
+    client: 'sqlite3',
+    useNullAsDefault: true, // needed for sqlite
+    connection: {
+      filename: './data/recipes.db3',
+    },
+    migrations: {
+      directory: './data/migrations'
+    },
+    seeds: {
+      directory: './data/seeds'
+    },
+  },
+};