suma-db/src/methods/post.js

A Brazilian database that supports JSON(JavaScript Object Notation)

module.exports = function ({class: Class}, ...values) {
    const validMethods = {
        push: (function(keys) { Class.ref(keys.key).push(keys.value)}).bind(Class),
        write: (function(keys) { Class.ref(keys.key).write(keys.value, keys.event || false)}).bind(Class),
        delete: (function(keys) { Class.ref(keys.key || keys).delete()}).bind(Class),
        add: (function(keys) { Class.ref(keys.key).add(keys.value)}).bind(Class),
        sub: function(keys) {
            Class.ref(keys.key).sub(keys.value)
        },
        writeIf: function(keys) {
            if(keys.expression(Class)) Class.ref(keys.key).write(keys.value, keys.event || false)
        },
        deleteIf:function(keys) {
            if(keys.expression(Class)) Class.ref(keys.key || keys).delete()
        },
        addIf:function(keys) {
            if(keys.expression(Class)) Class.ref(keys.key).add(keys.value)
        },
        subIf:function(keys) {
            if(keys.expression(Class)) Class.ref(keys.key).sub(keys.value)
        },
        pushIf: function(keys) {
            if(keys.expression(Class)) Class.ref(keys.key).push(keys.value)
        }
    }
    if(values.length === 1 && Array.isArray(values[0])) values = values[0]
    values = values[0]
    let i = 0

    for(const index in values) {
        const action = validMethods[index];
        if(!action) throw new SyntaxError(`Invalid post method: post#${i}#${index}`)
        action(values[index])
        i++
    }
}