hard cache write

Former-commit-id: 272ff932e8fc32a780c42bd8cfa6822b2c224ca3 [formerly 272ff932e8fc32a780c42bd8cfa6822b2c224ca3 [formerly e69dcc748baf0c2eb5c8711d8468d088e0c14eaa [formerly 42eb0785867baa508d01a8e3f3995424093b7849]]]
Former-commit-id: 90a2bcf5dd59b21284e8c366d39699e0f2328567
Former-commit-id: ab3ac83ce1225e1563d6deb07054ed30211410f1 [formerly 9ec35d3ac676970db27213ef942c866c962e1026]
Former-commit-id: f19a1a2092a9c62c9095ece79de81e172f6ea4e0

Makefile

@@ -4,6 +4,9 @@ all:
 run:
 	go run main.go
 
+debug:
+	DEBUG=1 go run main.go
+
 # http://macappstore.org/upx
 build: clean
 	env GOARCH=amd64 go build -ldflags "-s -w" -o bin/cointop64 && upx bin/cointop64 && \
@@ -23,7 +26,7 @@ snap/clean:
 snap/stage:
 	snapcraft stage
 
-snap/build: snap/clean snap/stage 
+snap/build: snap/clean snap/stage
 	snapcraft snap
 
 snap/deploy:

cointop/cache.go

@@ -4,19 +4,29 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
+	"os"
 )
 
-func (ct *Cointop) writeCache(data []byte) error {
-	path := ct.cachePath()
-	err := ioutil.WriteFile(path, data, 0644)
+func (ct *Cointop) writeHardCache(data interface{}, filename string) error {
+	b, err := json.Marshal(data)
+	if err != nil {
+		return err
+	}
+	path := fmt.Sprintf("%s/.%s", ct.hardCachePath(), filename)
+	of, err := os.Create(path)
+	defer of.Close()
+	if err != nil {
+		return err
+	}
+	_, err = of.Write(b)
 	if err != nil {
 		return err
 	}
 	return nil
 }
 
-func (ct *Cointop) readCache(i interface{}) (interface{}, bool, error) {
-	path := ct.cachePath()
+func (ct *Cointop) readHardCache(i interface{}, filename string) (interface{}, bool, error) {
+	path := fmt.Sprintf("%s/.%s", ct.hardCachePath(), filename)
 	b, err := ioutil.ReadFile(path)
 	if err != nil {
 		return nil, false, err
@@ -28,6 +38,17 @@ func (ct *Cointop) readCache(i interface{}) (interface{}, bool, error) {
 	return i, true, nil
 }
 
-func (ct *Cointop) cachePath() string {
+func (ct *Cointop) hardCachePath() string {
 	return fmt.Sprintf("%v%v", ct.configDirPath(), "/.cache")
 }
+
+func (ct *Cointop) createCacheDir() error {
+	path := ct.hardCachePath()
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		err := os.MkdirAll(path, os.ModePerm)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

cointop/chart.go

@@ -2,6 +2,7 @@ package cointop
 
 import (
 	"fmt"
+	"strings"
 	"time"
 
 	"github.com/miguelmota/cointop/pkg/color"
@@ -45,6 +46,11 @@ func (ct *Cointop) chartPoints(maxX int, coin string) error {
 	end := secs
 
 	var data []float64
+	filename := strings.ToLower(coin)
+	if filename == "" {
+		filename = "globaldata"
+	}
+
 	if coin == "" {
 		graphData, err := ct.api.GetGlobalMarketGraphData(start, end)
 		if err != nil {
@@ -63,6 +69,10 @@ func (ct *Cointop) chartPoints(maxX int, coin string) error {
 		}
 	}
 
+	go func() {
+		_ = ct.writeHardCache(data, filename)
+	}()
+
 	chart.Data = data
 	termui.Body = termui.NewGrid()
 	termui.Body.Width = maxX

cointop/cointop.go

@@ -72,6 +72,10 @@ func Run() {
 	if err != nil {
 		log.Fatal(err)
 	}
+	err = ct.createCacheDir()
+	if err != nil {
+		log.Fatal(err)
+	}
 	g, err := gocui.NewGui(gocui.Output256)
 	if err != nil {
 		log.Fatalf("new gocui: %v", err)
@@ -87,6 +91,24 @@ func Run() {
 	if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
 		log.Fatalf("main loop: %v", err)
 	}
+	/*
+		ifc, ok, _ := ct.readHardCache(&data, filename)
+		if ok {
+			// hard cache hit
+			if ifc != nil {
+				ct.debuglog("hard cache hit")
+			}
+		}
+	*/
+	/*
+		ifc, ok, _ := ct.readHardCache(&allcoinsmap, "allcoinsmap")
+		if ok {
+			// hard cache hit
+			if ifc != nil {
+				ct.debuglog("hard cache hit")
+			}
+		}
+	*/
 }
 
 func (ct *Cointop) quit() error {

cointop/config.go

@@ -10,6 +10,8 @@ import (
 	"github.com/BurntSushi/toml"
 )
 
+var fileperm = os.FileMode(0644)
+
 type config struct {
 	Shortcuts map[string]interface{}   `toml:"shortcuts"`
 	Favorites map[string][]interface{} `toml:"favorites"`
@@ -98,7 +100,7 @@ func (ct *Cointop) saveConfig() error {
 		if err != nil {
 			return err
 		}
-		err = ioutil.WriteFile(path, b, 0644)
+		err = ioutil.WriteFile(path, b, fileperm)
 		if err != nil {
 			return err
 		}

cointop/list.go

@@ -1,7 +1,6 @@
 package cointop
 
 import (
-	"encoding/json"
 	"time"
 
 	types "github.com/miguelmota/cointop/pkg/api/types"
@@ -18,14 +17,6 @@ func (ct *Cointop) updateCoins() error {
 		// cache hit
 		allcoinsmap, _ = cached.(map[string]types.Coin)
 		ct.debuglog("soft cache hit")
-	} else {
-		ifc, ok, _ := ct.readCache(&allcoinsmap)
-		if ok {
-			// hard cache hit
-			if ifc != nil {
-				ct.debuglog("hard cache hit")
-			}
-		}
 	}
 
 	// cache miss
@@ -36,14 +27,9 @@ func (ct *Cointop) updateCoins() error {
 			return err
 		}
 		ct.cache.Set(cachekey, allcoinsmap, 10*time.Second)
-		b, err := json.Marshal(allcoinsmap)
-		if err != nil {
-			return err
-		}
-		err = ct.writeCache(b)
-		if err != nil {
-			return err
-		}
+		go func() {
+			_ = ct.writeHardCache(allcoinsmap, "allcoinsmap")
+		}()
 	}
 
 	if len(ct.allcoinsmap) == 0 {

cointop/marketbar.go

@@ -14,6 +14,9 @@ func (ct *Cointop) updateMarketbar() error {
 	if err != nil {
 		return err
 	}
+	go func() {
+		_ = ct.writeHardCache(market, "market")
+	}()
 	timeframe := "7 Day"
 	chartname := ct.selectedCoinName()
 	if chartname == "" {