Merge branch 'go-backend'

This commit is contained in:
Daniel J. Summers 2018-05-27 19:39:21 -05:00
commit 6424cde1b6
24 changed files with 870 additions and 2821 deletions

9
.gitignore vendored
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@ -254,7 +254,8 @@ paket-files/
# Compiled files / application
src/api/build
src/api/public/index.html
src/api/public/static
src/api/appsettings.json
/build
src/public/index.html
src/public/static
src/config.json
/build
src/*.exe

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@ -1,35 +0,0 @@
'use strict'
const chalk = require('chalk')
const { env } = require('./appsettings.json') // process.env.NODE_ENV || 'dev'
if ('dev' === env) require('babel-register')
const src = (env === 'dev') ? './src' : './build'
const app = require(`${src}/index`).default
const db = require(`${src}/db`).default
const fullEnv = ('dev' === env) ? 'Development' : 'Production'
const { port } = require('./appsettings.json')
/**
* Log a start-up message for the app
* @param {string} status The status to display
*/
const startupMsg = (status) => {
console.log(chalk`{reset myPrayerJournal ${status} | Port: {bold ${port}} | Mode: {bold ${fullEnv}}}`)
}
// Ensure the database exists before starting up
db.verify()
.then(() => app.listen(port, () => startupMsg('ready')))
.catch(err => {
console.log(chalk`\n{reset {bgRed.white.bold || Error connecting to PostgreSQL }}`)
for (let key of Object.keys(err)) {
console.log(chalk`${key}: {reset {bold ${err[key]}}}`)
}
console.log('')
startupMsg('failed')
})

366
src/api/data/data.go Normal file
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@ -0,0 +1,366 @@
// Package data contains data access functions for myPrayerJournal.
package data
import (
"database/sql"
"fmt"
"log"
"time"
// Register the PostgreSQL driver.
_ "github.com/lib/pq"
"github.com/lucsky/cuid"
)
const (
currentRequestSQL = `
SELECT "requestId", "text", "asOf", "lastStatus"
FROM mpj.journal`
journalSQL = `
SELECT "requestId", "text", "asOf", "lastStatus"
FROM mpj.journal
WHERE "userId" = $1
AND "lastStatus" <> 'Answered'`
)
// db is a connection to the database for the entire application.
var db *sql.DB
// Settings holds the PostgreSQL configuration for myPrayerJournal.
type Settings struct {
Host string `json:"host"`
Port int `json:"port"`
User string `json:"user"`
Password string `json:"password"`
DbName string `json:"dbname"`
}
/* Data Access */
// Retrieve a basic request
func retrieveRequest(reqID, userID string) (*Request, bool) {
req := Request{}
err := db.QueryRow(`
SELECT "requestId", "enteredOn"
FROM mpj.request
WHERE "requestId" = $1
AND "userId" = $2`, reqID, userID).Scan(
&req.ID, &req.EnteredOn,
)
if err != nil {
if err != sql.ErrNoRows {
log.Print(err)
}
return nil, false
}
req.UserID = userID
return &req, true
}
// Unix time in JavaScript Date.now() precision.
func jsNow() int64 {
return time.Now().UnixNano() / int64(1000000)
}
// Loop through rows and create journal requests from them.
func makeJournal(rows *sql.Rows, userID string) []JournalRequest {
var out []JournalRequest
for rows.Next() {
req := JournalRequest{}
err := rows.Scan(&req.RequestID, &req.Text, &req.AsOf, &req.LastStatus)
if err != nil {
log.Print(err)
continue
}
out = append(out, req)
}
if rows.Err() != nil {
log.Print(rows.Err())
return nil
}
return out
}
// AddHistory creates a history entry for a prayer request, given the status and updated text.
func AddHistory(userID, reqID, status, text string) int {
if _, ok := retrieveRequest(reqID, userID); !ok {
return 404
}
_, err := db.Exec(`
INSERT INTO mpj.history
("requestId", "asOf", "status", "text")
VALUES
($1, $2, $3, NULLIF($4, ''))`,
reqID, jsNow(), status, text)
if err != nil {
log.Print(err)
return 500
}
return 204
}
// AddNew stores a new prayer request and its initial history record.
func AddNew(userID, text string) (*JournalRequest, bool) {
id := cuid.New()
now := jsNow()
tx, err := db.Begin()
if err != nil {
log.Print(err)
return nil, false
}
defer func() {
if err != nil {
log.Print(err)
tx.Rollback()
} else {
tx.Commit()
}
}()
_, err = tx.Exec(
`INSERT INTO mpj.request ("requestId", "enteredOn", "userId") VALUES ($1, $2, $3)`,
id, now, userID)
if err != nil {
return nil, false
}
_, err = tx.Exec(
`INSERT INTO mpj.history ("requestId", "asOf", "status", "text") VALUES ($1, $2, 'Created', $3)`,
id, now, text)
if err != nil {
return nil, false
}
return &JournalRequest{RequestID: id, Text: text, AsOf: now, LastStatus: `Created`}, true
}
// AddNote adds a note to a prayer request.
func AddNote(userID, reqID, note string) int {
if _, ok := retrieveRequest(reqID, userID); !ok {
return 404
}
_, err := db.Exec(`
INSERT INTO mpj.note
("requestId", "asOf", "notes")
VALUES
($1, $2, $3)`,
reqID, jsNow(), note)
if err != nil {
log.Print(err)
return 500
}
return 204
}
// Answered retrieves all answered requests for the given user.
func Answered(userID string) []JournalRequest {
rows, err := db.Query(currentRequestSQL+
` WHERE "userId" = $1
AND "lastStatus" = 'Answered'
ORDER BY "asOf" DESC`,
userID)
if err != nil {
log.Print(err)
return nil
}
defer rows.Close()
return makeJournal(rows, userID)
}
// ByID retrieves a journal request by its ID.
func ByID(userID, reqID string) (*JournalRequest, bool) {
req := JournalRequest{}
err := db.QueryRow(currentRequestSQL+
` WHERE "requestId" = $1
AND "userId" = $2`,
reqID, userID).Scan(
&req.RequestID, &req.Text, &req.AsOf, &req.LastStatus,
)
if err != nil {
if err == sql.ErrNoRows {
return nil, true
}
log.Print(err)
return nil, false
}
return &req, true
}
// Connect establishes a connection to the database.
func Connect(s *Settings) bool {
connStr := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=disable",
s.Host, s.Port, s.User, s.Password, s.DbName)
var err error
db, err = sql.Open("postgres", connStr)
if err != nil {
log.Print(err)
return false
}
err = db.Ping()
if err != nil {
log.Print(err)
return false
}
log.Printf("Connected to postgres://%s@%s:%d/%s\n", s.User, s.Host, s.Port, s.DbName)
return true
}
// FullByID retrieves a journal request, including its full history and notes.
func FullByID(userID, reqID string) (*JournalRequest, bool) {
req, ok := ByID(userID, reqID)
if !ok {
return nil, false
}
hRows, err := db.Query(`
SELECT "asOf", "status", COALESCE("text", '') AS "text"
FROM mpj.history
WHERE "requestId" = $1
ORDER BY "asOf"`,
reqID)
if err != nil {
log.Print(err)
return nil, false
}
defer hRows.Close()
for hRows.Next() {
hist := History{}
err = hRows.Scan(&hist.AsOf, &hist.Status, &hist.Text)
if err != nil {
log.Print(err)
continue
}
req.History = append(req.History, hist)
}
if hRows.Err() != nil {
log.Print(hRows.Err())
return nil, false
}
req.Notes, err = NotesByID(userID, reqID)
if err != nil {
log.Print(err)
return nil, false
}
return req, true
}
// Journal retrieves the current user's active prayer journal.
func Journal(userID string) []JournalRequest {
rows, err := db.Query(journalSQL+` ORDER BY "asOf"`, userID)
if err != nil {
log.Print(err)
return nil
}
defer rows.Close()
return makeJournal(rows, userID)
}
// NotesByID retrieves the notes for a given prayer request
func NotesByID(userID, reqID string) ([]Note, error) {
if _, ok := retrieveRequest(reqID, userID); !ok {
return nil, sql.ErrNoRows
}
rows, err := db.Query(`
SELECT "asOf", "notes"
FROM mpj.note
WHERE "requestId" = $1
ORDER BY "asOf" DESC`,
reqID)
if err != nil {
log.Print(err)
return nil, err
}
defer rows.Close()
var notes []Note
for rows.Next() {
note := Note{}
err = rows.Scan(&note.AsOf, &note.Notes)
if err != nil {
log.Print(err)
continue
}
notes = append(notes, note)
}
if rows.Err() != nil {
log.Print(rows.Err())
return nil, err
}
return notes, nil
}
/* DDL */
// EnsureDB makes sure we have a known state of data structures.
func EnsureDB() {
tableSQL := func(table string) string {
return fmt.Sprintf(`SELECT 1 FROM pg_tables WHERE schemaname='mpj' AND tablename='%s'`, table)
}
indexSQL := func(table, index string) string {
return fmt.Sprintf(`SELECT 1 FROM pg_indexes WHERE schemaname='mpj' AND tablename='%s' AND indexname='%s'`,
table, index)
}
check := func(name, test, fix string) {
count := 0
err := db.QueryRow(test).Scan(&count)
if err != nil {
if err == sql.ErrNoRows {
log.Printf("Fixing up %s...\n", name)
_, err = db.Exec(fix)
if err != nil {
log.Fatal(err)
}
} else {
log.Fatal(err)
}
}
}
check(`myPrayerJournal Schema`, `SELECT 1 FROM pg_namespace WHERE nspname='mpj'`,
`CREATE SCHEMA mpj;
COMMENT ON SCHEMA mpj IS 'myPrayerJournal data'`)
if _, err := db.Exec(`SET search_path TO mpj`); err != nil {
log.Fatal(err)
}
check(`request Table`, tableSQL(`request`),
`CREATE TABLE mpj.request (
"requestId" varchar(25) PRIMARY KEY,
"enteredOn" bigint NOT NULL,
"userId" varchar(100) NOT NULL);
COMMENT ON TABLE mpj.request IS 'Requests'`)
check(`history Table`, tableSQL(`history`),
`CREATE TABLE mpj.history (
"requestId" varchar(25) NOT NULL REFERENCES mpj.request,
"asOf" bigint NOT NULL,
"status" varchar(25),
"text" text,
PRIMARY KEY ("requestId", "asOf"));
COMMENT ON TABLE mpj.history IS 'Request update history'`)
check(`note Table`, tableSQL(`note`),
`CREATE TABLE mpj.note (
"requestId" varchar(25) NOT NULL REFERENCES mpj.request,
"asOf" bigint NOT NULL,
"notes" text NOT NULL,
PRIMARY KEY ("requestId", "asOf"));
COMMENT ON TABLE mpj.note IS 'Notes regarding a request'`)
check(`request.userId Index`, indexSQL(`request`, `idx_request_userId`),
`CREATE INDEX "idx_request_userId" ON mpj.request ("userId");
COMMENT ON INDEX "idx_request_userId" IS 'Requests are retrieved by user'`)
check(`journal View`, `SELECT 1 FROM pg_views WHERE schemaname='mpj' AND viewname='journal'`,
`CREATE VIEW mpj.journal AS
SELECT
request."requestId",
request."userId",
(SELECT "text"
FROM mpj.history
WHERE history."requestId" = request."requestId"
AND "text" IS NOT NULL
ORDER BY "asOf" DESC
LIMIT 1) AS "text",
(SELECT "asOf"
FROM mpj.history
WHERE history."requestId" = request."requestId"
ORDER BY "asOf" DESC
LIMIT 1) AS "asOf",
(SELECT "status"
FROM mpj.history
WHERE history."requestId" = request."requestId"
ORDER BY "asOf" DESC
LIMIT 1) AS "lastStatus"
FROM mpj.request;
COMMENT ON VIEW mpj.journal IS 'Requests with latest text'`)
}

34
src/api/data/entities.go Normal file
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@ -0,0 +1,34 @@
package data
// History is a record of action taken on a prayer request, including updates to its text.
type History struct {
RequestID string `json:"requestId"`
AsOf int64 `json:"asOf"`
Status string `json:"status"`
Text string `json:"text"`
}
// Note is a note regarding a prayer request that does not result in an update to its text.
type Note struct {
RequestID string `json:"requestId"`
AsOf int64 `json:"asOf"`
Notes string `json:"notes"`
}
// Request is the identifying record for a prayer request.
type Request struct {
ID string `json:"requestId"`
EnteredOn int64 `json:"enteredOn"`
UserID string `json:"userId"`
}
// JournalRequest is the form of a prayer request returned for the request journal display. It also contains
// properties that may be filled for history and notes.
type JournalRequest struct {
RequestID string `json:"requestId"`
Text string `json:"text"`
AsOf int64 `json:"asOf"`
LastStatus string `json:"lastStatus"`
History []History `json:"history,omitempty"`
Notes []Note `json:"notes,omitempty"`
}

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@ -1,12 +0,0 @@
'use strict'
import fs from 'fs'
/**
* Read and parse a JSON file
* @param {string} path The path to the file
* @param {string} encoding The encoding of the file (defaults to UTF-8)
* @return {*} The parsed contents of the file
*/
export default (path, encoding = 'utf-8') =>
JSON.parse(fs.readFileSync(path, encoding))

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@ -1,45 +0,0 @@
{
"name": "my-prayer-journal-api",
"private": true,
"version": "0.9.3",
"description": "Server API for myPrayerJournal",
"main": "index.js",
"author": "Daniel J. Summers <daniel@bitbadger.solutions>",
"license": "MIT",
"dependencies": {
"chalk": "^2.1.0",
"cuid": "^1.3.8",
"jwks-rsa-koa": "^1.1.3",
"koa": "^2.3.0",
"koa-bodyparser": "^4.2.0",
"koa-jwt": "^3.2.2",
"koa-router": "^7.2.1",
"koa-send": "^4.1.0",
"koa-static": "^4.0.1",
"pg": "^7.3.0"
},
"scripts": {
"start": "node app.js",
"build": "babel src -d build",
"vue": "cd ../app && node build/build.js prod && cd ../api && node app.js"
},
"devDependencies": {
"babel": "^6.23.0",
"babel-cli": "^6.26.0",
"babel-preset-env": "^1.6.0",
"babel-register": "^6.26.0",
"koa-morgan": "^1.0.1"
},
"babel": {
"presets": [
[
"env",
{
"targets": {
"node": "current"
}
}
]
]
}
}

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src/api/routes/handlers.go Normal file
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package routes
import (
"database/sql"
"encoding/json"
"errors"
"log"
"net/http"
"strings"
"github.com/danieljsummers/myPrayerJournal/src/api/data"
jwt "github.com/dgrijalva/jwt-go"
routing "github.com/go-ozzo/ozzo-routing"
)
/* Support */
// Set the content type, the HTTP error code, and return the error message.
func sendError(c *routing.Context, err error) error {
w := c.Response
w.Header().Set("Content-Type", "application/json; encoding=UTF-8")
w.WriteHeader(http.StatusInternalServerError)
if err := json.NewEncoder(w).Encode(map[string]string{"error": err.Error()}); err != nil {
log.Print("Error creating error JSON: " + err.Error())
}
return err
}
// Set the content type and return the JSON to the user.
func sendJSON(c *routing.Context, result interface{}) error {
w := c.Response
w.Header().Set("Content-Type", "application/json; encoding=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(result); err != nil {
return sendError(c, err)
}
return nil
}
// Send an HTTP 404 response.
func notFound(c *routing.Context) error {
c.Response.WriteHeader(404)
return nil
}
// Parse the request body as JSON.
func parseJSON(c *routing.Context) (map[string]interface{}, error) {
payload := make(map[string]interface{})
if err := json.NewDecoder(c.Request.Body).Decode(&payload); err != nil {
log.Println("Error decoding JSON:", err)
return payload, err
}
return payload, nil
}
// userID is a convenience function to extract the subscriber ID from the user's JWT.
// NOTE: Do not call this from public routes; there are a lot of type assertions that won't be true if the request
// hasn't gone through the authorization process.
func userID(c *routing.Context) string {
return c.Request.Context().Value("user").(*jwt.Token).Claims.(jwt.MapClaims)["sub"].(string)
}
/* Handlers */
// GET: /api/journal/
func journal(c *routing.Context) error {
reqs := data.Journal(userID(c))
if reqs == nil {
reqs = []data.JournalRequest{}
}
return sendJSON(c, reqs)
}
// POST: /api/request/
func requestAdd(c *routing.Context) error {
payload, err := parseJSON(c)
if err != nil {
return sendError(c, err)
}
result, ok := data.AddNew(userID(c), payload["requestText"].(string))
if !ok {
return sendError(c, errors.New("error adding request"))
}
return sendJSON(c, result)
}
// GET: /api/request/<id>
func requestGet(c *routing.Context) error {
request, ok := data.ByID(userID(c), c.Param("id"))
if !ok {
return sendError(c, errors.New("error retrieving request"))
}
if request == nil {
return notFound(c)
}
return sendJSON(c, request)
}
// GET: /api/request/<id>/complete
func requestGetComplete(c *routing.Context) error {
request, ok := data.FullByID(userID(c), c.Param("id"))
if !ok {
return sendError(c, errors.New("error retrieving request"))
}
var err error
request.Notes, err = data.NotesByID(userID(c), c.Param("id"))
if err != nil {
return sendError(c, err)
}
return sendJSON(c, request)
}
// GET: /api/request/<id>/full
func requestGetFull(c *routing.Context) error {
request, ok := data.FullByID(userID(c), c.Param("id"))
if !ok {
return sendError(c, errors.New("error retrieving request"))
}
return sendJSON(c, request)
}
// POST: /api/request/<id>/history
func requestAddHistory(c *routing.Context) error {
payload, err := parseJSON(c)
if err != nil {
return sendError(c, err)
}
c.Response.WriteHeader(
data.AddHistory(userID(c), c.Param("id"), payload["status"].(string), payload["updateText"].(string)))
return nil
}
// POST: /api/request/<id>/note
func requestAddNote(c *routing.Context) error {
payload, err := parseJSON(c)
if err != nil {
return sendError(c, err)
}
c.Response.WriteHeader(data.AddNote(userID(c), c.Param("id"), payload["notes"].(string)))
return nil
}
// GET: /api/request/<id>/notes
func requestGetNotes(c *routing.Context) error {
notes, err := data.NotesByID(userID(c), c.Param("id"))
if err != nil {
if err == sql.ErrNoRows {
return notFound(c)
}
return sendError(c, err)
}
if notes == nil {
notes = []data.Note{}
}
return sendJSON(c, notes)
}
// GET: /api/request/answered
func requestsAnswered(c *routing.Context) error {
reqs := data.Answered(userID(c))
if reqs == nil {
reqs = []data.JournalRequest{}
}
return sendJSON(c, reqs)
}
// GET: /*
func staticFiles(c *routing.Context) error {
// serve index for known routes handled client-side by the app
r := c.Request
w := c.Response
for _, prefix := range ClientPrefixes {
if strings.HasPrefix(r.URL.Path, prefix) {
w.Header().Add("Content-Type", "text/html")
http.ServeFile(w, r, "./public/index.html")
return nil
}
}
// 404 here is fine; quit hacking, y'all...
http.ServeFile(w, r, "./public"+r.URL.Path)
return nil
}

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package routes
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"log"
"net/http"
"github.com/auth0/go-jwt-middleware"
jwt "github.com/dgrijalva/jwt-go"
"github.com/go-ozzo/ozzo-routing"
"github.com/go-ozzo/ozzo-routing/access"
"github.com/go-ozzo/ozzo-routing/fault"
)
// AuthConfig contains the Auth0 configuration passed from the "auth" JSON object.
type AuthConfig struct {
Domain string `json:"domain"`
ClientID string `json:"id"`
ClientSecret string `json:"secret"`
}
// JWKS is a structure into which the JSON Web Key Set is unmarshaled.
type JWKS struct {
Keys []JWK `json:"keys"`
}
// JWK is a structure into which a single JSON Web Key is unmarshaled.
type JWK struct {
Kty string `json:"kty"`
Kid string `json:"kid"`
Use string `json:"use"`
N string `json:"n"`
E string `json:"e"`
X5c []string `json:"x5c"`
}
// authCfg is the Auth0 configuration provided at application startup.
var authCfg *AuthConfig
// jwksBytes is a cache of the JSON Web Key Set for this domain.
var jwksBytes = make([]byte, 0)
// getPEMCert is a function to get the applicable certificate for a JSON Web Token.
func getPEMCert(token *jwt.Token) (string, error) {
cert := ""
if len(jwksBytes) == 0 {
resp, err := http.Get(fmt.Sprintf("https://%s/.well-known/jwks.json", authCfg.Domain))
if err != nil {
return cert, err
}
defer resp.Body.Close()
if jwksBytes, err = ioutil.ReadAll(resp.Body); err != nil {
return cert, err
}
}
jwks := JWKS{}
if err := json.Unmarshal(jwksBytes, &jwks); err != nil {
return cert, err
}
for k, v := range jwks.Keys[0].X5c {
if token.Header["kid"] == jwks.Keys[k].Kid {
cert = fmt.Sprintf("-----BEGIN CERTIFICATE-----\n%s\n-----END CERTIFICATE-----", v)
}
}
if cert == "" {
err := errors.New("unable to find appropriate key")
return cert, err
}
return cert, nil
}
// authZero is an instance of Auth0's JWT middlware. Since it doesn't support the http.HandlerFunc sig, it is wrapped
// below; it's defined outside that function, though, so it does not get recreated every time.
var authZero = jwtmiddleware.New(jwtmiddleware.Options{
ValidationKeyGetter: func(token *jwt.Token) (interface{}, error) {
if checkAud := token.Claims.(jwt.MapClaims).VerifyAudience(authCfg.ClientID, false); !checkAud {
return token, errors.New("invalid audience")
}
iss := fmt.Sprintf("https://%s/", authCfg.Domain)
if checkIss := token.Claims.(jwt.MapClaims).VerifyIssuer(iss, false); !checkIss {
return token, errors.New("invalid issuer")
}
cert, err := getPEMCert(token)
if err != nil {
panic(err.Error())
}
result, _ := jwt.ParseRSAPublicKeyFromPEM([]byte(cert))
return result, nil
},
SigningMethod: jwt.SigningMethodRS256,
})
// authMiddleware is a wrapper for the Auth0 middleware above with a signature ozzo-routing recognizes.
func authMiddleware(c *routing.Context) error {
return authZero.CheckJWT(c.Response, c.Request)
}
// NewRouter returns a configured router to handle all incoming requests.
func NewRouter(cfg *AuthConfig) *routing.Router {
authCfg = cfg
router := routing.New()
router.Use(
access.Logger(log.Printf), // TODO: remove before go-live
fault.Recovery(log.Printf),
)
for _, route := range routes {
if route.IsPublic {
router.To(route.Method, route.Pattern, route.Func)
} else {
router.To(route.Method, route.Pattern, authMiddleware, route.Func)
}
}
return router
}

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src/api/routes/routes.go Normal file
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// Package routes contains endpoint handlers for the myPrayerJournal API.
package routes
import (
"net/http"
routing "github.com/go-ozzo/ozzo-routing"
)
// Route is a route served in the application.
type Route struct {
Name string
Method string
Pattern string
Func routing.Handler
IsPublic bool
}
// Routes is the collection of all routes served in the application.
type Routes []Route
// routes is the actual list of routes for the application.
var routes = Routes{
Route{
"Journal",
http.MethodGet,
"/api/journal/",
journal,
false,
},
Route{
"AddNewRequest",
http.MethodPost,
"/api/request/",
requestAdd,
false,
},
// Must be above GetRequestByID
Route{
"GetAnsweredRequests",
http.MethodGet,
"/api/request/answered",
requestsAnswered,
false,
},
Route{
"GetRequestByID",
http.MethodGet,
"/api/request/<id>",
requestGet,
false,
},
Route{
"GetCompleteRequestByID",
http.MethodGet,
"/api/request/<id>/complete",
requestGetComplete,
false,
},
Route{
"GetFullRequestByID",
http.MethodGet,
"/api/request/<id>/full",
requestGetFull,
false,
},
Route{
"AddNewHistoryEntry",
http.MethodPost,
"/api/request/<id>/history",
requestAddHistory,
false,
},
Route{
"AddNewNote",
http.MethodPost,
"/api/request/<id>/note",
requestAddNote,
false,
},
Route{
"GetNotesForRequest",
http.MethodGet,
"/api/request/<id>/notes",
requestGetNotes,
false,
},
// keep this route last
Route{
"StaticFiles",
http.MethodGet,
"/*",
staticFiles,
true,
},
}
// ClientPrefixes is a list of known route prefixes handled by the Vue app.
var ClientPrefixes = []string{"/answered", "/journal", "/user"}

View File

@ -1,108 +0,0 @@
'use strict'
import { Pool } from 'pg'
/**
* SQL to check the existence of a table in the mpj schema
* @param {string} table The name of the table whose existence should be checked
*/
const tableSql = table => `SELECT 1 FROM pg_tables WHERE schemaname='mpj' AND tablename='${table}'`
/**
* SQL to determine if an index exists
* @param {string} table The name of the table which the given index indexes
* @param {string} index The name of the index
*/
const indexSql = (table, index) =>
`SELECT 1 FROM pg_indexes WHERE schemaname='mpj' AND tablename='${table}' AND indexname='${index}'`
const ddl = [
{
name: 'myPrayerJournal Schema',
check: `SELECT 1 FROM pg_namespace WHERE nspname='mpj'`,
fix: `
CREATE SCHEMA mpj;
COMMENT ON SCHEMA mpj IS 'myPrayerJournal data'`
},
{
name: 'request Table',
check: tableSql('request'),
fix: `
CREATE TABLE mpj.request (
"requestId" varchar(25) PRIMARY KEY,
"enteredOn" bigint NOT NULL,
"userId" varchar(100) NOT NULL);
COMMENT ON TABLE mpj.request IS 'Requests'`
},
{
name: 'history Table',
check: tableSql('history'),
fix: `
CREATE TABLE mpj.history (
"requestId" varchar(25) NOT NULL REFERENCES mpj.request,
"asOf" bigint NOT NULL,
"status" varchar(25),
"text" text,
PRIMARY KEY ("requestId", "asOf"));
COMMENT ON TABLE mpj.history IS 'Request update history'`
},
{
name: 'note Table',
check: tableSql('note'),
fix: `
CREATE TABLE mpj.note (
"requestId" varchar(25) NOT NULL REFERENCES mpj.request,
"asOf" bigint NOT NULL,
"notes" text NOT NULL,
PRIMARY KEY ("requestId", "asOf"));
COMMENT ON TABLE mpj.note IS 'Notes regarding a request'`
},
{
name: 'request.userId Index',
check: indexSql('request', 'idx_request_userId'),
fix: `
CREATE INDEX "idx_request_userId" ON mpj.request ("userId");
COMMENT ON INDEX "idx_request_userId" IS 'Requests are retrieved by user'`
},
{
name: 'journal View',
check: `SELECT 1 FROM pg_views WHERE schemaname='mpj' AND viewname='journal'`,
fix: `
CREATE VIEW mpj.journal AS
SELECT
request."requestId",
request."userId",
(SELECT "text"
FROM mpj.history
WHERE history."requestId" = request."requestId"
AND "text" IS NOT NULL
ORDER BY "asOf" DESC
LIMIT 1) AS "text",
(SELECT "asOf"
FROM mpj.history
WHERE history."requestId" = request."requestId"
ORDER BY "asOf" DESC
LIMIT 1) AS "asOf",
(SELECT "status"
FROM mpj.history
WHERE history."requestId" = request."requestId"
ORDER BY "asOf" DESC
LIMIT 1) AS "lastStatus"
FROM mpj.request;
COMMENT ON VIEW mpj.journal IS 'Requests with latest text'`
}
]
export default function (query) {
return {
/**
* Ensure that the database schema, tables, and indexes exist
*/
ensureDatabase: async () => {
for (let item of ddl) {
const result = await query(item.check, [])
if (1 > result.rowCount) await query(item.fix, [])
}
}
}
}

View File

@ -1,27 +0,0 @@
'use strict'
import { Pool, types } from 'pg'
import appConfig from '../../appsettings.json'
import ddl from './ddl'
import request from './request'
/** Pooled PostgreSQL instance */
const pool = new Pool(appConfig.pgPool)
// Return "bigint" (int8) instances as number instead of strings
// ref: https://github.com/brianc/node-pg-types
types.setTypeParser(20, val => parseInt(val))
/**
* Run a SQL query
* @param {string} text The SQL command
* @param {*[]} params The parameters for the query
*/
const query = (text, params) => pool.query(text, params)
export default {
query: query,
request: request(pool),
verify: ddl(query).ensureDatabase
}

View File

@ -1,188 +0,0 @@
'use strict'
import { Pool } from 'pg'
import cuid from 'cuid'
const currentRequestSql = `
SELECT "requestId", "text", "asOf", "lastStatus"
FROM mpj.journal`
const journalSql = `${currentRequestSql}
WHERE "userId" = $1
AND "lastStatus" <> 'Answered'`
const requestNotFound = {
requestId: '',
text: 'Not Found',
asOf: 0
}
export default function (pool) {
/**
* Retrieve basic information about a single request
* @param {string} requestId The Id of the request to retrieve
* @param {string} userId The Id of the user to whom the request belongs
*/
let retrieveRequest = (requestId, userId) =>
pool.query(`
SELECT "requestId", "enteredOn"
FROM mpj.request
WHERE "requestId" = $1
AND "userId" = $2`,
[ requestId, userId ])
return {
/**
* Add a history entry for this request
* @param {string} userId The Id of the user to whom this request belongs
* @param {string} requestId The Id of the request to which the update applies
* @param {string} status The status for this history entry
* @param {string} updateText The updated text for the request (pass blank if no update)
* @return {number} 404 if the request is not found or does not belong to the given user, 204 if successful
*/
addHistory: async (userId, requestId, status, updateText) => {
const req = retrieveRequest(requestId, userId)
if (req.rowCount === 0) {
return 404
}
await pool.query(`
INSERT INTO mpj.history
("requestId", "asOf", "status", "text")
VALUES
($1, $2, $3, NULLIF($4, ''))`,
[ requestId, Date.now(), status, updateText ])
return 204
},
/**
* Add a new prayer request
* @param {string} userId The Id of the user
* @param {string} requestText The text of the request
* @return The created request
*/
addNew: async (userId, requestText) => {
const id = cuid()
const enteredOn = Date.now()
return (async () => {
const client = await pool.connect()
try {
await client.query('BEGIN')
await client.query(
'INSERT INTO mpj.request ("requestId", "enteredOn", "userId") VALUES ($1, $2, $3)',
[ id, enteredOn, userId ])
await client.query(
`INSERT INTO mpj.history ("requestId", "asOf", "status", "text") VALUES ($1, $2, 'Created', $3)`,
[ id, enteredOn, requestText ])
await client.query('COMMIT')
} catch (e) {
await client.query('ROLLBACK')
throw e
} finally {
client.release()
}
return { requestId: id, text: requestText, asOf: enteredOn, lastStatus: 'Created' }
})().catch(e => {
console.error(e.stack)
return { requestId: '', text: 'error', asOf: 0, lastStatus: 'Errored' }
})
},
/**
* Add a note about a prayer request
* @param {string} userId The Id of the user to whom the request belongs
* @param {string} requestId The Id of the request to which the note applies
* @param {string} note The notes to add
* @return {number} 404 if the request is not found or does not belong to the given user, 204 if successful
*/
addNote: async (userId, requestId, note) => {
const req = retrieveRequest(requestId, userId)
if (req.rowCount === 0) {
return 404
}
await pool.query(`
INSERT INTO mpj.note
("requestId", "asOf", "notes")
VALUES
($1, $2, $3)`,
[ requestId, Date.now(), note ])
return 204
},
/**
* Get all answered requests with their text as of the "Answered" status
* @param {string} userId The Id of the user for whom requests should be retrieved
* @return All requests
*/
answered: async (userId) =>
(await pool.query(`${currentRequestSql}
WHERE "userId" = $1
AND "lastStatus" = 'Answered'
ORDER BY "asOf" DESC`,
[ userId ])).rows,
/**
* Get the "current" version of a request by its Id
* @param {string} requestId The Id of the request to retrieve
* @param {string} userId The Id of the user to which the request belongs
* @return The request, or a request-like object indicating that the request was not found
*/
byId: async (userId, requestId) => {
const reqs = await pool.query(`${currentRequestSql}
WHERE "requestId" = $1
AND "userId" = $2`,
[ requestId, userId ])
return (0 < reqs.rowCount) ? reqs.rows[0] : requestNotFound
},
/**
* Get a prayer request, including its full history, by its Id
* @param {string} userId The Id of the user to which the request belongs
* @param {string} requestId The Id of the request to retrieve
* @return The request, or a request-like object indicating that the request was not found
*/
fullById: async (userId, requestId) => {
const reqResults = await retrieveRequest(requestId, userId)
if (0 === reqResults.rowCount) {
return requestNotFound
}
const req = reqResults.rows[0]
const history = await pool.query(`
SELECT "asOf", "status", COALESCE("text", '') AS "text"
FROM mpj.history
WHERE "requestId" = $1
ORDER BY "asOf"`,
[ requestId ])
req.history = history.rows
return req
},
/**
* Get the current requests for a user (i.e., their complete current journal)
* @param {string} userId The Id of the user
* @return The requests that make up the current journal
*/
journal: async userId => (await pool.query(`${journalSql} ORDER BY "asOf"`, [ userId ])).rows,
/**
* Get the notes for a request, most recent first
* @param {string} userId The Id of the user to whom the request belongs
* @param {string} requestId The Id of the request whose notes should be retrieved
* @return The notes for the request
*/
notesById: async (userId, requestId) => {
const reqResults = await retrieveRequest(requestId, userId)
if (0 === reqResults.rowCount) {
return requestNotFound
}
const notes = await pool.query(`
SELECT "asOf", "notes"
FROM mpj.note
WHERE "requestId" = $1
ORDER BY "asOf" DESC`,
[ requestId ])
return notes.rows
}
}
}

View File

@ -1,36 +0,0 @@
'use strict'
import Koa from 'koa'
import bodyParser from 'koa-bodyparser'
import morgan from 'koa-morgan'
import send from 'koa-send'
import serveFrom from 'koa-static'
import appConfig from '../appsettings.json'
import router from './routes'
/** Koa app */
const app = new Koa()
if (appConfig.env === 'dev') app.use(morgan('dev'))
export default app
// Serve the Vue files from /public
.use(serveFrom('public'))
// Parse the body into ctx.request.body, if present
.use(bodyParser())
// Tie in all the routes
.use(router.routes())
.use(router.allowedMethods())
// Send the index.html file for what would normally get a 404
.use(async (ctx, next) => {
if (ctx.url.indexOf('/api') === -1) {
try {
await send(ctx, 'index.html', { root: __dirname + '/../public/' })
}
catch (err) {
return await next(err)
}
}
return await next()
})

View File

@ -1,39 +0,0 @@
'use strict'
import jwt from 'koa-jwt'
import jwksRsa from 'jwks-rsa-koa'
import Router from 'koa-router'
import appConfig from '../../appsettings.json'
import journal from './journal'
import request from './request'
/** Authentication middleware to verify the access token against the Auth0 JSON Web Key Set */
const checkJwt = jwt({
// Dynamically provide a signing key
// based on the kid in the header and
// the singing keys provided by the JWKS endpoint.
secret: jwksRsa.koaJwt2Key({
cache: true,
rateLimit: true,
jwksRequestsPerMinute: 5,
jwksUri: `https://${appConfig.auth0.domain}/.well-known/jwks.json`
}),
// Validate the audience and the issuer.
audience: appConfig.auth0.clientId,
issuer: `https://${appConfig.auth0.domain}/`,
algorithms: ['RS256']
})
/** /api/journal routes */
const journalRoutes = journal(checkJwt)
/** /api/request routes */
const requestRoutes = request(checkJwt)
/** Combined router */
const router = new Router({ prefix: '/api' })
router.use('/journal', journalRoutes.routes(), journalRoutes.allowedMethods())
router.use('/request', requestRoutes.routes(), requestRoutes.allowedMethods())
export default router

View File

@ -1,16 +0,0 @@
'use strict'
import Router from 'koa-router'
import db from '../db'
const router = new Router()
export default function (checkJwt) {
router.get('/', checkJwt, async (ctx, next) => {
const reqs = await db.request.journal(ctx.state.user.sub)
ctx.body = reqs
return await next()
})
return router
}

View File

@ -1,79 +0,0 @@
'use strict'
import Router from 'koa-router'
import db from '../db'
const router = new Router()
export default function (checkJwt) {
router
// Add a new request
.post('/', checkJwt, async (ctx, next) => {
ctx.body = await db.request.addNew(ctx.state.user.sub, ctx.request.body.requestText)
await next()
})
// Add a request history entry (prayed, updated, answered, etc.)
.post('/:id/history', checkJwt, async (ctx, next) => {
const body = ctx.request.body
ctx.response.status = await db.request.addHistory(ctx.state.user.sub, ctx.params.id, body.status, body.updateText)
await next()
})
// Add a note to a request
.post('/:id/note', checkJwt, async (ctx, next) => {
const body = ctx.request.body
ctx.response.status = await db.request.addNote(ctx.state.user.sub, ctx.params.id, body.notes)
await next()
})
// Get a journal-style request by its Id
.get('/:id', checkJwt, async (ctx, next) => {
const req = await db.request.byId(ctx.state.user.sub, ctx.params.id)
if ('Not Found' === req.text) {
ctx.response.status = 404
} else {
ctx.body = req
}
await next()
})
// Get a request, along with its full history
.get('/:id/full', checkJwt, async (ctx, next) => {
const req = await db.request.fullById(ctx.state.user.sub, ctx.params.id)
if ('Not Found' === req.text) {
ctx.response.status = 404
} else {
ctx.body = req
}
await next()
})
// Get the notes for a request
.get('/:id/notes', checkJwt, async (ctx, next) => {
const notes = await db.request.notesById(ctx.state.user.sub, ctx.params.id)
if (notes.text && 'Not Found' === notes.text) {
ctx.response.status = 404
} else {
ctx.body = notes
ctx.response.status = 200
}
await next()
})
// Get a complete request; equivalent to full + notes
.get('/:id/complete', checkJwt, async (ctx, next) => {
const req = await db.request.fullById(ctx.state.user.sub, ctx.params.id)
if ('Not Found' === req.text) {
ctx.response.status = 404
} else {
ctx.response.status = 200
req.notes = await db.request.notesById(ctx.state.user.sub, ctx.params.id)
ctx.body = req
}
await next()
})
// Get all answered requests
.get('/answered', checkJwt, async (ctx, next) => {
ctx.body = await db.request.answered(ctx.state.user.sub)
ctx.response.status = 200
await next()
})
return router
}

File diff suppressed because it is too large Load Diff

View File

@ -4,8 +4,8 @@ var path = require('path')
module.exports = {
build: {
env: require('./prod.env'),
index: path.resolve(__dirname, '../../api/public/index.html'),
assetsRoot: path.resolve(__dirname, '../../api/public'),
index: path.resolve(__dirname, '../../public/index.html'),
assetsRoot: path.resolve(__dirname, '../../public'),
assetsSubDirectory: 'static',
assetsPublicPath: '/',
productionSourceMap: true,

View File

@ -11,7 +11,9 @@
"unit": "cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run",
"e2e": "node test/e2e/runner.js",
"test": "npm run unit && npm run e2e",
"lint": "eslint --ext .js,.vue src test/unit/specs test/e2e/specs"
"lint": "eslint --ext .js,.vue src test/unit/specs test/e2e/specs",
"apistart": "cd .. && go build -o mpj-api.exe && mpj-api.exe",
"vue": "node build/build.js prod && cd .. && go build -o mpj-api.exe && mpj-api.exe"
},
"dependencies": {
"auth0-js": "^9.3.3",

View File

@ -3,6 +3,8 @@ article
page-title(title='Answered Requests')
p(v-if='!loaded') Loading answered requests...
div(v-if='loaded').mpj-answered-list
p.text-center(v-if='requests.length === 0'): em.
No answered requests found; once you have marked one as &ldquo;Answered&rdquo;, it will appear here
p.mpj-request-text(v-for='req in requests' :key='req.requestId')
| {{ req.text }}
br

View File

@ -48,7 +48,7 @@ export default {
.sort(asOfDesc)[0].text
},
log () {
return this.request.notes
return (this.request.notes || [])
.map(note => ({ asOf: note.asOf, text: note.notes, status: 'Notes' }))
.concat(this.request.history)
.sort(asOfDesc)

View File

@ -11,7 +11,8 @@ article
:request='request'
:events='eventBus'
:toast='toast')
p.text-center(v-if='journal.length === 0'): em No requests found; click the "Add a New Request" button to add one
p.text-center(v-if='journal.length === 0'): em.
No requests found; click the &ldquo;Add a New Request&rdquo; button to add one
edit-request(:events='eventBus'
:toast='toast')
notes-edit(:events='eventBus'
@ -50,7 +51,7 @@ export default {
},
computed: {
title () {
return `${this.user.given_name}'s Prayer Journal`
return `${this.user.given_name}&rsquo;s Prayer Journal`
},
journalCardRows () {
return chunk(this.journal, 3)

View File

@ -18,11 +18,11 @@ export default {
},
watch: {
title () {
document.title = `${this.title} « myPrayerJournal`
document.title = `${this.title.replace('&rsquo;', "'")} « myPrayerJournal`
}
},
created () {
document.title = `${this.title} « myPrayerJournal`
document.title = `${this.title.replace('&rsquo;', "'")} « myPrayerJournal`
}
}
</script>

48
src/my-prayer-journal.go Normal file
View File

@ -0,0 +1,48 @@
// myPrayerJournal API Server
package main
import (
"encoding/json"
"log"
"net/http"
"os"
"github.com/danieljsummers/myPrayerJournal/src/api/data"
"github.com/danieljsummers/myPrayerJournal/src/api/routes"
)
// Web contains configuration for the web server.
type Web struct {
Port string `json:"port"`
}
// Settings contains configuration for the myPrayerJournal API.
type Settings struct {
Data *data.Settings `json:"data"`
Web *Web `json:"web"`
Auth *routes.AuthConfig `json:"auth"`
}
// readSettings parses the JSON configuration file into the Settings struct.
func readSettings(f string) *Settings {
config, err := os.Open(f)
if err != nil {
log.Fatal(err)
}
defer config.Close()
settings := Settings{}
if err = json.NewDecoder(config).Decode(&settings); err != nil {
log.Fatal(err)
}
return &settings
}
func main() {
cfg := readSettings("config.json")
if ok := data.Connect(cfg.Data); !ok {
log.Fatal("Unable to connect to database; exiting")
}
data.EnsureDB()
log.Printf("myPrayerJournal API listening on %s", cfg.Web.Port)
log.Fatal(http.ListenAndServe(cfg.Web.Port, routes.NewRouter(cfg.Auth)))
}