migration files

migrations/000_signups_addColumn_memo_timestamp.js

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+const readline = require('readline')
+const process = require('process')
+
+exports.up = function (knex) {
+    return knex.schema.hasColumn('signups', 'tmestamp').then(hasTimestamp => {
+        return knex.schema.hasColumn('signups', 'memo').then(hasMemo => {
+            if (!hasTimestamp || !hasMemo) {
+
+                const r1 = readline.createInterface({
+                    input: process.stdin,
+                    output: process.stdout
+                })
+                return new Promise((res, rej) => {
+                    r1.question('WARNING\n\nAbout to update your signups table. Please make sure there are no active signups. \nContinue? y/N', answer => {
+                        if(!answer || answer === "" || answer === "n" || answer === "N"){
+                            rej(new Error("User aborted"))
+                        }else{
+                            knex('signups').select('*').then(rows => {
+                                return knex.schema.dropTable('signups').then(_ => {
+                                    return knex.schema.createTable('signups', function (table) {
+                                        table.increments('id').primary()
+                                        table.unique(['raidid', 'characterid'])
+                                        table.integer('raidid')
+                                        table.foreign('raidid').references('id').inTable('raids').onDelete('CASCADE')
+                                        table.integer('characterid')
+                                        table.foreign('characterid').references('id').inTable('characters').onDelete('CASCADE')
+                                        table.boolean('benched').defaultTo('false')
+                                        table.boolean('late')
+                                        table.timestamp('timestamp').defaultTo(knex.fn.now())
+                                        table.string('memo').nullable()
+                                        return table
+                                    }).then(_ => {
+                                        knex('signups').insert(rows).then(res)
+                                    }).catch(rej)
+                                })
+                            })
+                        }
+                    })
+                })
+            }
+        })
+    })
+}
+
+
+exports.down = function (knex, Promise) {
+    return knex.schema.table('signups', function (table) {
+        table.dropColumn('timestamp')
+        table.dropColumn('memo')
+    })
+}

migrations/001_items_addColumn_stats.js

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+
+exports.up = function (knex) {
+    return knex.schema.hasColumn('items', 'stats').then(bool => {
+        if(!bool){
+            return knex.schema.table('items', table => {
+                table.json('stats')
+                return table
+            })
+        }
+    })
+}
+
+
+exports.down = function (knex) {
+    return knex.schema.table('signups', function (table) {
+        table.dropColumn('stats')
+    })
+}