From 44dd550fdd7e71c1f0edfe3f77a8b9fafab967e8 Mon Sep 17 00:00:00 2001
From: Grant Ammons <gammons@gmail.com>
Date: Sun, 24 Apr 2016 08:22:24 -0400
Subject: Beginning on working on due date stuff

---
 parser.go | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 53 insertions(+), 3 deletions(-)

(limited to 'parser.go')

diff --git a/parser.go b/parser.go
index bb54b97..a9a2d24 100644
--- a/parser.go
+++ b/parser.go
@@ -4,6 +4,9 @@ import (
 	"fmt"
 	"regexp"
 	"strings"
+	"time"
+
+	"github.com/jinzhu/now"
 )
 
 type Parser struct{}
@@ -12,6 +15,10 @@ func (p *Parser) Parse(input string) *Todo {
 	todo := NewTodo()
 	todo.Subject = p.Subject(input)
 	todo.Projects = p.Projects(input)
+	todo.Contexts = p.Contexts(input)
+	if p.hasDue(input) {
+		todo.Due = p.Due(input)
+	}
 	return todo
 }
 
@@ -25,15 +32,58 @@ func (p *Parser) Subject(input string) string {
 }
 
 func (p *Parser) Projects(input string) []string {
-	r, err := regexp.Compile(`\+\w+`)
+	r, _ := regexp.Compile(`\+\w+`)
+	return p.matchWords(input, r)
+}
+
+func (p *Parser) Contexts(input string) []string {
+	r, err := regexp.Compile(`\@\w+`)
 	if err != nil {
-		fmt.Printf("There was a problem with the regexp", err)
+		fmt.Println("regex error", err)
+	}
+	return p.matchWords(input, r)
+}
+
+func (p *Parser) hasDue(input string) bool {
+	r, _ := regexp.Compile(`due \w+$`)
+	return r.MatchString(input)
+}
+
+func (p *Parser) Due(input string) time.Time {
+	r, _ := regexp.Compile(`due .*$`)
+
+	res := r.FindString(input)
+	res = res[4:len(res)]
+	switch {
+	case res == "today":
+		return now.BeginningOfDay()
+	case res == "tomorrow" || res == "tom":
+		return now.BeginningOfDay().AddDate(0, 0, 1)
+	case res == "monday" || res == "mon":
+		n := now.BeginningOfDay()
+		return now.New(n).Monday().AddDate(0, 0, 7)
+	case res == "tuesday" || res == "tue":
+		n := now.BeginningOfDay()
+		return now.New(n).Tuesday().AddDate(0, 0, 7)
+	case res == "wednesday" || res == "wed":
+		n := now.BeginningOfDay()
+		return now.New(n).Wednesday().AddDate(0, 0, 7)
+	case res == "wednesday" || res == "wed":
+		n := now.BeginningOfDay()
+		return now.New(n).Wednesday().AddDate(0, 0, 7)
+	case res == "next week":
+		n := now.BeginningOfDay()
+		return now.New(n).Monday().AddDate(0, 0, 7)
 	}
+	//return now.Parse(input)
+	return time.Now()
+}
+
+func (p *Parser) matchWords(input string, r *regexp.Regexp) []string {
 	results := r.FindAllString(input, -1)
 	ret := []string{}
 
 	for _, val := range results {
-		fmt.Println("Result is ", val)
 		ret = append(ret, val[1:len(val)])
 	}
 	return ret
-- 
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