1 files changed, 247 insertions, 0 deletions
diff --git a/old/2/dl.go.bup b/old/2/dl.go.bup
new file mode 100755
index 0000000..7562f48
--- /dev/null
+++ b/old/2/dl.go.bup
@@ -0,0 +1,247 @@
+/* Parse typography.com, find typeface file names. */
+/* Missing some styles. Use https://www.typography.com/api/v1/product_lines/100054?include=multipurpose_styles,office_styles,screen_smart_styles. */
+package main
+
+import (
+	"bufio"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"io/fs"
+	"log"
+	"net/http"
+	"os"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+const (
+	base = "https://typography.com/api/v1"
+)
+
+func request(url string) []byte {
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	rt, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Fatal(err)
+	}
+	resp.Body.Close()
+
+	return rt
+}
+
+func dlThenRead(name, url string) []byte {
+	_, err := os.Stat(name)
+	if errors.Is(err, fs.ErrNotExist) {
+		log.Print(err)
+		out, err := os.Create(name)
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer out.Close()
+
+		outWriter := bufio.NewWriter(out)
+		_, err = outWriter.Write(request(url))
+		if err != nil {
+			log.Fatal(err)
+		}
+		_ = outWriter.Flush()
+	} else if err != nil {
+		log.Fatal(err)
+	}
+
+	in, err := os.Open(name)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer in.Close()
+
+	inReader := bufio.NewReader(in)
+	data, err := io.ReadAll(inReader)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return data
+}
+
+func parseAndPrint(shortName, css string) {
+	/* Grep for lines containing CSS rules with font names, */
+	for _, line := range strings.Split(css, "\n") {
+		match, err := regexp.Match("font-family:.*", []byte(line))
+		if err != nil {
+			log.Fatal(err)
+		}
+		if match {
+			/* Remove rule boilerplate. */
+			line = strings.Replace(line, "  font-family: ", "", 1)
+			line = strings.Replace(line, ", Fallback, Courier;", "", 1)
+
+			/* Split list of file names. */
+			for _, style := range strings.Split(line, ", ") {
+				/* TDB or TDA should become TD. Decided
+				against the complexity of regexp for this. */
+				style = strings.Replace(style, "TDB", "TD", 1)
+				style = strings.Replace(style, "TDA", "TD", 1)
+
+				/* Each style has two files: one with most
+				of the glpyhs, another with just the ' '.
+				Both are necessary, and need merging later. */
+				fmt.Println(shortName, style)
+				fmt.Println(shortName, style+"-Space")
+			}
+		}
+	}
+}
+
+func traverse(name, shortName string, id string) {
+	//fmt.Printf("%s %s %s\n", id, name, shortName)
+
+	/* Create a directory for each typeface. The short name
+	used in URLs contains no spaces. It works well for this use. */
+	_, err := os.Stat(shortName)
+	if err != nil {
+		err = os.Mkdir(shortName, 0666)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+	err = os.Chdir(shortName)
+	defer os.Chdir("..")
+
+	/* The long name of the typeface is worth keeping. */
+	_, err = os.Stat("name")
+	if errors.Is(err, fs.ErrNotExist) {
+		out, err := os.Create("name")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer out.Close()
+
+		_, err = out.Write([]byte(name))
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	/* Using the ID passed in from the initial JSON, retrieve new
+	JSON. This contains details on the actual typeface. */
+	/* Parsing for OTF names in progress. */
+	detailsJson := dlThenRead(id, base+"/product_lines/"+id+
+		"?include=special_offers,multipurpose_styles,office_styles,screen_smart_styles&quantity=1&serializer=array")
+	var details interface{}
+	json.Unmarshal(detailsJson, &details)
+	m := details.(map[string]interface{})
+
+	/* The important field is an alphabetic identifier. It must be used
+	in the following step. Hoop jumping. */
+	alphaId := m["desktop_try_code"].(string)
+
+	/* This JSON contains information about how the typeface
+	should be layed out. Embedded is a set of CSS rules.
+	The CSS rules contain the file names of each style of
+	the typeface. */
+	layoutJson := dlThenRead(alphaId, base+"/try/layout/"+
+		alphaId)
+	var layout interface{}
+	json.Unmarshal(layoutJson, &layout)
+	layoutMap := layout.(map[string]interface{})
+
+	/* Interesting data is a few layers deep. */
+	for _, mL2 := range layoutMap {
+		for _, mL3 := range mL2.(map[string]interface{}) {
+			switch mL3.(type) {
+			case map[string]interface{}:
+				mL4 := mL3.(map[string]interface{})
+				layoutL2Json := []byte(mL4["layout_data"].(string))
+				var layoutL2 interface{}
+				json.Unmarshal(layoutL2Json, &layoutL2)
+
+				/* Send the CSS for parsing. */
+				parseAndPrint(shortName,
+					layoutL2.(map[string]interface{})["css"].(string))
+			case string:
+			default:
+			}
+		}
+	}
+
+	/* OTF names. Base names are available as woff. */
+	otf := m["multipurpose_styles"].(map[string]interface{})["styles"].([]interface{})
+	for _, otf := range otf {
+		style := otf.(map[string]interface{})["file_name"].(string)
+		style = strings.TrimSuffix(style, ".otf")
+		style = strings.Replace(style, "-SC", "-TD", 1)
+		if !strings.Contains(style, "-TD") || strings.Contains(style,"_TD") ||
+			shortName == "whitney" {
+			continue
+		}
+		fmt.Println(shortName, style)
+		fmt.Println(shortName, style+"-Space")
+	}
+}
+
+func main() {
+	/* findByName serves as the index to each of
+	the typefaces. If it doesn't exist, download it. */
+	_, err := os.Stat("findByName")
+	if errors.Is(err, fs.ErrNotExist) {
+		log.Print(err)
+		out, err := os.Create("findByName")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer out.Close()
+
+		outWriter := bufio.NewWriter(out)
+		_, err = outWriter.Write(request(base +
+			"/findByName?serializer=array"))
+		if err != nil {
+			log.Fatal(err)
+		}
+		_ = outWriter.Flush()
+	}
+
+	in, err := os.Open("findByName")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer in.Close()
+
+	inReader := bufio.NewReader(in)
+	indexJson, err := io.ReadAll(inReader)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	/* findByName is in JSON. */
+	var index interface{}
+	err = json.Unmarshal(indexJson, &index)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	/* The actually interesting data is a few levels deep. */
+	m := index.(map[string]interface{})
+	for _, mL2 := range m {
+		for _, mL3 := range mL2.([]interface{}) {
+			arr := mL3.(map[string]interface{})
+			/* "name" is the full name, "slug" is the short name,
+			"type_id" is the identifier used in the traversal. */
+			traverse(arr["name"].(string),
+				arr["slug"].(string),
+				strconv.Itoa(int(arr["type_id"].(float64))))
+		}
+	}
+}