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general.js
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general.js
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import { observable, computed, action, runInAction, toJS } from "mobx"
import models from "./models"
import { callApi } from "./api"
import { updateListById } from "./utils"
const defaultState = {
list: [],
selectedItem: {},
isDirty: false,
busy: false,
errorMessage: "",
saving: false
}
class General {
@observable
data = {
todo: { ...defaultState }
}
@action
async get(model) {
this.data[model].errorMessage = ""
this.data[model].busy = true
try {
const list = await callApi(`/api/general/${model}`)
runInAction(() => {
this.data[model].list = list
this.data[model].busy = false
})
} catch (err) {
console.error(err)
runInAction(() => {
this.data[model].errorMessage = err.message
this.data[model].busy = false
})
}
}
@action
async query(model, body, singleItem = false, endPointOverride = "") {
return new Promise(async (resolve, reject) => {
this.data[model].error = ""
this.data[model].busy = true
let url = `/api/general/${model}`
let httpType = "post"
if(endPointOverride.length > 0){
url = endPointOverride
httpType = "get"
body = undefined
}
try {
const data = await callApi(url, httpType, body)
runInAction(() => {
if (singleItem) {
this.data[model].selectedItem = data[0]
} else {
this.data[model].list = data
}
this.data[model].busy = false
resolve()
})
} catch (err) {
console.error(err)
runInAction(() => {
this.data[model].error = err.message
this.data[model].busy = false
reject(err)
})
}
})
}
@action
async getItem(model, id) {
this.data[model].errorMessage = ""
this.data[model].busy = true
try {
const item = await callApi(`/api/general/${model}/${id}`)
runInAction(() => {
this.data[model].selectedItem = item
this.data[model].busy = false
})
} catch (err) {
console.error(err)
runInAction(() => {
this.data[model].errorMessage = err.message
this.data[model].busy = false
})
}
}
@action
updateItemField(model, field, value) {
return new Promise((resolve, reject) => {
if (field.includes(".")) {
const keys = field.split(".")
if (keys.length === 3) {
this.data[model].selectedItem[keys[0]][keys[1]][keys[2]] = value
this.data[model].selectedItem[keys[0]][keys[1]].isDirty = true
} else {
throw new Error("nesting can only be one level deep")
}
} else {
this.data[model].selectedItem[field] = value
}
this.data[model].isDirty = true
resolve()
})
}
@action
setSelectedItemFromList(model, itemID) {
const item = this.data[model].list.find(item => item.ID === itemID)
this.data[model].selectedItem = { ...item }
}
@action
addListItem(model, listName, initial = {}) {
let defaults = { ...models[listName], isDirty: true }
defaults[`${model}ID`] = this.data[model].selectedItem.ID
defaults = { ...defaults, ...initial }
this.data[model].selectedItem[listName].push(defaults)
this.data[model].isDirty = true
}
@action
removeListItem(model, listName, item) {
const selectedItem = this.data[model].selectedItem
if (item.ID) {
if (!selectedItem.deletedChildren) {
selectedItem.deletedChildren = {}
}
if (!selectedItem.deletedChildren[listName]) {
selectedItem.deletedChildren[listName] = []
}
selectedItem.deletedChildren[listName].push(item.ID)
}
selectedItem[listName].remove(item)
this.data[model].isDirty = true
}
@action
createSelectedItem(model, addToList = false) {
return new Promise((resolve, reject) => {
this.data[model].selectedItem = { ...models[model] }
if (addToList) {
this.data[model].list.push({ ...models[model] })
}
resolve()
})
}
@action
clearList(model) {
this.data[model].list = []
}
@action
clearSelectedItem(model) {
this.data[model].selectedItem = {}
this.data[model].isDirty = false
}
@action
async save(model, updateList = false) {
return new Promise(async (resolve, reject) => {
this.data[model].errorMessage = ""
this.data[model].saving = true
try {
const body = toJS(this.data[model].selectedItem)
if (body.ID === "new") {
delete body.ID
}
// only send child records that have been touched
for (const key in body) {
if (Array.isArray(body[key])) {
body[key] = body[key].filter(item => item.isDirty)
}
}
const item = await callApi(`/api/general/${model}`, "put", body)
runInAction(() => {
this.data[model].selectedItem = { ...item }
if (updateList) {
const index = this.data[model].list.findIndex(
item => item.ID === "new"
)
if (index > -1) {
this.data[model].list[index] = { ...item }
} else {
this.data[model].list = updateListById(
this.data[model].list,
item
)
}
}
this.data[model].saving = false
this.data[model].isDirty = false
resolve()
})
} catch (err) {
console.error(err)
runInAction(() => {
this.data[model].errorMessage = err.message
this.data[model].saving = false
reject(err)
})
}
})
}
}
export default new General()