From eca87f195aee036d4dbc1ffbf2d9f0d570d7fe76 Mon Sep 17 00:00:00 2001
From: Subhash Chandran <subwiz@gmail.com>
Date: Tue, 10 Dec 2024 00:18:24 +0530
Subject: [PATCH] Currency data is now loaded from JSON string defined inside
 code.

This eliminates the need for external configuration file to be maintained for the use of the module.
---
 currency.go                   | 37 -------------------------------
 conf/currency.json => init.go | 41 +++++++++++++++++++++++++++++++++--
 money.go                      |  8 -------
 3 files changed, 39 insertions(+), 47 deletions(-)
 rename conf/currency.json => init.go (92%)

diff --git a/currency.go b/currency.go
index f590856..107f16f 100644
--- a/currency.go
+++ b/currency.go
@@ -1,11 +1,7 @@
 package moneylib
 
 import (
-	"encoding/json"
-	"errors"
 	"fmt"
-	"log"
-	"os"
 )
 
 type currTmp struct {
@@ -52,36 +48,3 @@ func newCurrency(c *currTmp) Currency {
 	o := Currency{code: c.Code, number: c.Number, symbol: c.Symbol, nod: c.NOD}
 	return o
 }
-
-var currMap = make(map[string]Currency)
-
-func init() {
-	confFile := "conf/currency.json"
-	b, err := os.ReadFile(confFile)
-	if err != nil {
-		log.Fatalf("Cannot load config: %v.", confFile)
-	}
-	currencies := make([]currTmp, 0)
-	err = json.Unmarshal(b, &currencies)
-	if err != nil {
-		log.Fatalf("Error unmarshaling: %v.\n%v\n", confFile, err)
-	}
-	for _, v := range currencies {
-		currMap[v.Code] = newCurrency(&v)
-	}
-}
-
-// GetCurrency returns the currency object for the code.
-func GetCurrency(code string) (Currency, error) {
-	curr := currMap[code]
-	if curr.code != code {
-		return curr, errors.New("Currency code not available: " + code)
-	}
-	return currMap[code], nil
-}
-
-// ValidCurrency checks if the currency code is correct
-func ValidCurrency(code string) bool {
-	_, err := GetCurrency(code)
-	return err == nil
-}
diff --git a/conf/currency.json b/init.go
similarity index 92%
rename from conf/currency.json
rename to init.go
index 548c568..fa9f5f1 100644
--- a/conf/currency.json
+++ b/init.go
@@ -1,4 +1,12 @@
-[
+package moneylib
+
+import (
+	"encoding/json"
+	"errors"
+	"log"
+)
+
+var currencyJSON string = `[
   {"code": "AED", "sym": "د.إ", "number": 784, "nod": 2},
   {"code": "AFN", "sym": "؋", "number": 971, "nod": 2},
   {"code": "ALL", "sym": "L", "number": 8, "nod": 2},
@@ -137,7 +145,7 @@
   {"code": "SYP", "sym": "£S", "number": 760, "nod": 2},
   {"code": "SZL", "sym": "L", "number": 748, "nod": 2},
   {"code": "THB", "sym": "฿", "number": 764, "nod": 2},
-  {"code": "TJS", "sym": "ЅМ", "number": 972, "nod": 2},
+  {"code": "TJS", "sym": "SM", "number": 972, "nod": 2},
   {"code": "TMT", "sym": "T", "number": 934, "nod": 2},
   {"code": "TND", "sym": "د.ت", "number": 788, "nod": 3},
   {"code": "TOP", "sym": "T$", "number": 776, "nod": 2},
@@ -178,3 +186,32 @@
   {"code": "ZMW", "sym": "ZK", "number": 967, "nod": 2},
   {"code": "ZWL", "sym": "$", "number": 932, "nod": 2}
 ]
+`
+
+var currMap = make(map[string]Currency)
+
+func init() {
+	currencies := make([]currTmp, 0)
+	err := json.Unmarshal([]byte(currencyJSON), &currencies)
+	if err != nil {
+		log.Fatalf("Error unmarshaling currency data")
+	}
+	for _, v := range currencies {
+		currMap[v.Code] = newCurrency(&v)
+	}
+}
+
+// GetCurrency returns the currency object for the code.
+func GetCurrency(code string) (Currency, error) {
+	curr := currMap[code]
+	if curr.code != code {
+		return curr, errors.New("Currency code not available: " + code)
+	}
+	return currMap[code], nil
+}
+
+// ValidCurrency checks if the currency code is correct
+func ValidCurrency(code string) bool {
+	_, err := GetCurrency(code)
+	return err == nil
+}
diff --git a/money.go b/money.go
index 629c03f..83959b9 100644
--- a/money.go
+++ b/money.go
@@ -63,14 +63,6 @@ func (m *Money) Human(lan language.Tag) string {
 	return p.Sprintf("%s"+format, m.curr.symbol, value)
 }
 
-// StringHuman returns money representation for humans.
-// func (m *Money) StringHuman() string {
-// 	curr := m.Currency()
-// 	f, _ := m.Float().Float64()
-// 	o := money.Format(f, money.Options{"currency": curr.Code()})
-// 	return o
-// }
-
 func pow10(x uint) uint {
 	if x == 0 {
 		return 0