From 2bb365206e1540436d4822301c0104d99d32ec77 Mon Sep 17 00:00:00 2001
From: Derek McQuay <dmcquay@apprenda.com>
Date: Tue, 7 Feb 2017 21:28:37 -0800
Subject: [PATCH] added ability to get single tranx with id

---
 api.go | 25 ++++++++++++++++++++++---
 db.go  | 21 +++++++++++++++++++++
 2 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/api.go b/api.go
index 1392f56..b9abf62 100644
--- a/api.go
+++ b/api.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"log"
 	"net/http"
+	"strings"
 	"time"
 )
 
@@ -195,14 +196,32 @@ func (s *Server) tranx(w http.ResponseWriter, req *http.Request) {
 		http.Error(w, string(b), http.StatusBadRequest)
 		return
 	case "GET":
-		tranxs, err := s.db.getTranxs()
+		searchreq := req.URL.Path[len(prefix["tranx"]):]
+		if len(searchreq) == 0 {
+			tranxs, err := s.db.getTranxs()
+			if err != nil {
+				log.Printf("%+v", err)
+				b, _ := json.Marshal(NewFailure(err.Error()))
+				http.Error(w, string(b), http.StatusInternalServerError)
+				return
+			}
+			json.NewEncoder(w).Encode(tranxs)
+			return
+		}
+		if searchreq[len(searchreq)-1] != '/' {
+			http.Redirect(w, req, prefix["tranx"]+searchreq+"/", http.StatusMovedPermanently)
+			return
+		}
+		searchReqParsed := strings.Split(searchreq, "/")
+		t, err := s.db.getTranx(searchReqParsed[0])
 		if err != nil {
 			log.Printf("%+v", err)
 			b, _ := json.Marshal(NewFailure(err.Error()))
-			http.Error(w, string(b), http.StatusInternalServerError)
+			http.Error(w, string(b), http.StatusBadRequest)
 			return
 		}
-		json.NewEncoder(w).Encode(tranxs)
+		json.NewEncoder(w).Encode(t)
+
 	case "POST":
 		t := tranx{}
 		err := json.NewDecoder(req.Body).Decode(&t)
diff --git a/db.go b/db.go
index 71087fe..8d7fa89 100644
--- a/db.go
+++ b/db.go
@@ -127,6 +127,27 @@ func (d *DB) getTranxs() ([]tranx, error) {
 	return results, nil
 }
 
+func (d *DB) getTranx(i string) (tranx, error) {
+	result := tranx{}
+	row := d.db.QueryRow("SELECT id, cost, store, info, date, user_id, category_id FROM tranx WHERE id = $1",
+		i,
+	)
+	err := row.Scan(
+		&result.ID,
+		&result.Cost,
+		&result.Store,
+		&result.Info,
+		&result.Date,
+		&result.User_ID,
+		&result.Category_ID,
+	)
+	if err != nil {
+		return tranx{}, err
+	}
+
+	return result, nil
+}
+
 //func (d *DB) checkOwner(filename, client string) error {
 //	row := d.db.QueryRowx("SELECT client FROM pics WHERE filename = $1", filename)
 //	var owner string