From 2cfdb79fff3002c90caf628027bc9b39c4e0d216 Mon Sep 17 00:00:00 2001
From: "alexcolucci@protonmail.com" <alexcolucci@protonmail.com>
Date: Fri, 4 Feb 2022 23:24:58 +0100
Subject: [PATCH] Add support for Cloze #9

---
 README.md                 |  2 +
 manifest.json             |  2 +-
 src/entities/clozecard.ts |  4 +-
 src/regex.ts              | 10 ++---
 src/services/anki.ts      | 30 +++++++++++--
 src/services/parser.ts    | 92 ++++++++++++++++++++++++++++++++++++---
 6 files changed, 121 insertions(+), 19 deletions(-)

diff --git a/README.md b/README.md
index 685f1cc..d48250b 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,10 @@ Anki integration for [Obsidian](https://obsidian.md/).
 📅 Spaced-only cards with **#card-spaced** or **#card/spaced**  
 ✍️ Inline style with **Question::Answer**  
 ✍️ Inline style reversed with **Question:::Answer**  
+📃 Cloze with **==Highlight==** or **{Curly brackets}** or  **{2:Cloze}**   
 🧠 **Context-aware** mode  
 🏷️ Global and local **tags**  
+
 🔢 Support for **LaTeX**  
 🖼️ Support for **images**  
 🎤 Support for **audios**   
diff --git a/manifest.json b/manifest.json
index 3458100..4e3a83b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
   "id": "flashcards-obsidian",
   "name": "Flashcards",
-  "version": "1.5.6",
+  "version": "1.6.0",
   "minAppVersion": "0.9.17",
   "description": "Anki integration",
   "author": "Alex Colucci",
diff --git a/src/entities/clozecard.ts b/src/entities/clozecard.ts
index f564f0e..6864785 100644
--- a/src/entities/clozecard.ts
+++ b/src/entities/clozecard.ts
@@ -28,7 +28,7 @@ export class Clozecard extends Card {
       mediaNames,
       containsCode
     );
-    this.modelName = `Obsidian-clozed`;
+    this.modelName = `Obsidian-cloze`;
     if (fields["Source"]) {
       this.modelName += sourceDeckExtension;
     }
@@ -69,6 +69,6 @@ export class Clozecard extends Card {
   };
 
   public getIdFormat(): string {
-    return "^" + this.id.toString() + "\n";
+    return "\n^" + this.id.toString();
   }
 }
diff --git a/src/regex.ts b/src/regex.ts
index d1ad679..ca217e1 100644
--- a/src/regex.ts
+++ b/src/regex.ts
@@ -80,13 +80,11 @@ export class Regex {
     this.cardsSpacedStyle = new RegExp(str, flags);
 
     // https://regex101.com/r/cgtnLf/1
-    // str = "(?:.*?(==(.*?)==).*)(?:\n?^(d{13}))?";
-    // this.clozeHighlight = /((==)(.*?)(==))/gm;
 
-    // str = "( {0,3}[#]{0,6})?(?:(?:[\t ]*)(?:\\d.|[-+*]|#{1,6}))?(.*?(==.+?==|{.+?}).*?)((?: *#[\\w-]+)+|$)(?:\n\\^(?:\\d{13}))?"
-    // this.cardsClozeWholeLine = new RegExp(str, flags);
+    str = "( {0,3}[#]{0,6})?(?:(?:[\\t ]*)(?:\\d.|[-+*]|#{1,6}))?(.*?(==.+?==|\\{.+?\\}).*?)((?: *#[\\w\\-\\/_]+)+|$)(?:\n\\^(\\d{13}))?"
+    this.cardsClozeWholeLine = new RegExp(str, flags);
     
-    // this.singleClozeCurly = /((?:{)(?:(\d):?)?(.+?)(?:}))/g;
-    // this.singleClozeHighlight = /((?:==)(.+?)(?:==))/g;
+    this.singleClozeCurly = /((?:{)(?:(\d):?)?(.+?)(?:}))/g;
+    this.singleClozeHighlight = /((?:==)(.+?)(?:==))/g;
   }
 }
\ No newline at end of file
diff --git a/src/services/anki.ts b/src/services/anki.ts
index 3ff991f..174bec4 100644
--- a/src/services/anki.ts
+++ b/src/services/anki.ts
@@ -233,19 +233,23 @@ export class Anki {
     }
 
     const css =
-      '.card {\r\n font-family: arial;\r\n font-size: 20px;\r\n text-align: center;\r\n color: black;\r\n background-color: white;\r\n}\r\n\r\n.tag::before {\r\n\tcontent: "#";\r\n}\r\n\r\n.tag {\r\n  color: white;\r\n  background-color: #9F2BFF;\r\n  border: none;\r\n  font-size: 11px;\r\n  font-weight: bold;\r\n  padding: 1px 8px;\r\n  margin: 0px 3px;\r\n  text-align: center;\r\n  text-decoration: none;\r\n  cursor: pointer;\r\n  border-radius: 14px;\r\n  display: inline;\r\n  vertical-align: middle;\r\n}\r\n';
+      '.card {\r\n font-family: arial;\r\n font-size: 20px;\r\n text-align: center;\r\n color: black;\r\n background-color: white;\r\n}\r\n\r\n.tag::before {\r\n\tcontent: "#";\r\n}\r\n\r\n.tag {\r\n  color: white;\r\n  background-color: #9F2BFF;\r\n  border: none;\r\n  font-size: 11px;\r\n  font-weight: bold;\r\n  padding: 1px 8px;\r\n  margin: 0px 3px;\r\n  text-align: center;\r\n  text-decoration: none;\r\n  cursor: pointer;\r\n  border-radius: 14px;\r\n  display: inline;\r\n  vertical-align: middle;\r\n}\r\n .cloze { font-weight: bold; color: blue;}.nightMode .cloze { color: lightblue;}';
     const front = `{{Front}}\r\n<p class=\"tags\">{{Tags}}<\/p>\r\n\r\n<script>\r\n    var tagEl = document.querySelector(\'.tags\');\r\n    var tags = tagEl.innerHTML.split(\' \');\r\n    var html = \'\';\r\n    tags.forEach(function(tag) {\r\n\tif (tag) {\r\n\t    var newTag = \'<span class=\"tag\">\' + tag + \'<\/span>\';\r\n           html += newTag;\r\n    \t    tagEl.innerHTML = html;\r\n\t}\r\n    });\r\n    \r\n<\/script>${codeScriptContent}`;
     const back = `{{FrontSide}}\n\n<hr id=answer>\n\n{{Back}}${sourceFieldContent}`;
     const frontReversed = `{{Back}}\r\n<p class=\"tags\">{{Tags}}<\/p>\r\n\r\n<script>\r\n    var tagEl = document.querySelector(\'.tags\');\r\n    var tags = tagEl.innerHTML.split(\' \');\r\n    var html = \'\';\r\n    tags.forEach(function(tag) {\r\n\tif (tag) {\r\n\t    var newTag = \'<span class=\"tag\">\' + tag + \'<\/span>\';\r\n           html += newTag;\r\n    \t    tagEl.innerHTML = html;\r\n\t}\r\n    });\r\n    \r\n<\/script>${codeScriptContent}`;
     const backReversed = `{{FrontSide}}\n\n<hr id=answer>\n\n{{Front}}${sourceFieldContent}`;
-    const prompt = `{{Prompt}}\r\n<p class=\"tags\">🧠spaced {{Tags}}<\/p>\r\n\r\n<script>\r\n    var tagEl = document.querySelector(\'.tags\');\r\n    var tags = tagEl.innerHTML.split(\' \');\r\n    var html = \'\';\r\n    tags.forEach(function(tag) {\r\n\tif (tag) {\r\n\t    var newTag = \'<span class=\"tag\">\' + tag + \'<\/span>\';\r\n           html += newTag;\r\n    \t    tagEl.innerHTML = html;\r\n\t}\r\n    });\r\n    \r\n<\/script>${codeScriptContent}`;
+    const prompt = `{{Prompt}}\r\n<p class="tags\">🧠spaced {{Tags}}<\/p>\r\n\r\n<script>\r\n    var tagEl = document.querySelector(\'.tags\');\r\n    var tags = tagEl.innerHTML.split(\' \');\r\n    var html = \'\';\r\n    tags.forEach(function(tag) {\r\n\tif (tag) {\r\n\t    var newTag = \'<span class=\"tag\">\' + tag + \'<\/span>\';\r\n           html += newTag;\r\n    \t    tagEl.innerHTML = html;\r\n\t}\r\n    });\r\n    \r\n<\/script>${codeScriptContent}`;
     const promptBack = `{{FrontSide}}\n\n<hr id=answer>🧠 Review done.${sourceFieldContent}`;
+    const clozeFront = `{{cloze:Text}}\n\n<script>\r\n    var tagEl = document.querySelector(\'.tags\');\r\n    var tags = tagEl.innerHTML.split(\' \');\r\n    var html = \'\';\r\n    tags.forEach(function(tag) {\r\n\tif (tag) {\r\n\t    var newTag = \'<span class=\"tag\">\' + tag + \'<\/span>\';\r\n           html += newTag;\r\n    \t    tagEl.innerHTML = html;\r\n\t}\r\n    });\r\n    \r\n<\/script>${codeScriptContent}`;
+    const clozeBack = `{{cloze:Text}}\n\n<br>{{Extra}}${sourceFieldContent}<script>\r\n    var tagEl = document.querySelector(\'.tags\');\r\n    var tags = tagEl.innerHTML.split(\' \');\r\n    var html = \'\';\r\n    tags.forEach(function(tag) {\r\n\tif (tag) {\r\n\t    var newTag = \'<span class=\"tag\">\' + tag + \'<\/span>\';\r\n           html += newTag;\r\n    \t    tagEl.innerHTML = html;\r\n\t}\r\n    });\r\n    \r\n<\/script>${codeScriptContent}`;
 
     let classicFields = ["Front", "Back"];
     let promptFields = ["Prompt"];
+    let clozeFields = ["Text", "Extra"];
     if (sourceSupport) {
       classicFields = classicFields.concat("Source");
       promptFields = promptFields.concat("Source");
+      clozeFields = clozeFields.concat("Source");
     }
 
     const obsidianBasic = {
@@ -285,6 +289,24 @@ export class Anki {
       },
     };
 
+    const obsidianCloze = {
+      action: "createModel",
+      params: {
+        modelName: `Obsidian-cloze${sourceExtension}${codeExtension}`,
+        inOrderFields: clozeFields,
+        css: css,
+        isCloze: true,
+        cardTemplates: [
+          {
+            Name: "Cloze",
+            Front: clozeFront,
+            Back: clozeBack,
+          },
+        ],
+      },
+      
+    }
+
     const obsidianSpaced = {
       action: "createModel",
       params: {
@@ -301,10 +323,10 @@ export class Anki {
       },
     };
 
-    return [obsidianBasic, obsidianBasicReversed, obsidianSpaced];
+    return [obsidianBasic, obsidianBasicReversed, obsidianCloze, obsidianSpaced];
   }
 
   public async requestPermission() {
-    return await this.invoke("requestPermission", 6);
+    return this.invoke("requestPermission", 6);
   }
 }
diff --git a/src/services/parser.ts b/src/services/parser.ts
index 1c795f9..b6dbb5e 100644
--- a/src/services/parser.ts
+++ b/src/services/parser.ts
@@ -52,12 +52,12 @@ export class Parser {
     cards = cards.concat(
       this.generateSpacedCards(file, headings, deck, vault, note, globalTags)
     );
-          // cards = cards.concat(
-    //   this.generateClozeCards(file, headings, deck, vault, note, globalTags)
-    // );
+    cards = cards.concat(
+      this.generateClozeCards(file, headings, deck, vault, note, globalTags)
+    );
 
     
-    // Filter out cards that are fully inside a code block
+    // Filter out cards that are fully inside a code block (that's needed for the  )
     const codeBlocks = [...file.matchAll(this.regex.obsidianCodeBlock)];
     const rangesToDiscard = codeBlocks.map(x=>([x.index, x.index+x[0].length]))
     cards = cards.filter(card => {
@@ -194,6 +194,87 @@ export class Parser {
     return cards;
   }
 
+  private generateClozeCards(
+    file: string,
+    headings: any,
+    deck: string,
+    vault: string,
+    note: string,
+    globalTags: string[] = []
+  ) {
+    const contextAware = this.settings.contextAwareMode;
+    const cards: Clozecard[] = [];
+    const matches = [...file.matchAll(this.regex.cardsClozeWholeLine)];
+
+    for (const match of matches) {
+      const reversed = false;
+      let headingLevel = -1;
+      if (match[1]) {
+        headingLevel =
+          match[1].trim().length !== 0 ? match[1].trim().length : -1;
+      }
+      // Match.index - 1 because otherwise in the context there will be even match[1], i.e. the question itself
+      const context = contextAware
+        ? this.getContext(headings, match.index - 1, headingLevel)
+        : "";
+      
+
+        // Replace the curly in the line with Anki syntax
+      let clozeText = match[2].replace(this.regex.singleClozeCurly, (match, g1, g2, g3) => {
+        console.log("group1 :" + g1);
+        console.log("group2 :" + g2);
+        console.log("group3 :" + g3);
+          if (g2) {
+            return `{{c${g2}::${g3}}}`;
+          } else {
+            return `{{c1::${g3}}}`;
+          }
+        } );
+      
+      // Replace the highlight clozes in the line with Anki syntax
+      clozeText = clozeText.replace(this.regex.singleClozeHighlight, "{{c1::$2}}");
+
+      const originalLine = match[2].trim();
+      // Add context
+      clozeText = contextAware
+        ? [...context, clozeText.trim()].join(
+            `${this.settings.contextSeparator}`
+          )
+        : clozeText.trim();
+      let medias: string[] = this.getImageLinks(clozeText);
+      medias = medias.concat(this.getAudioLinks(clozeText));
+      clozeText = this.parseLine(clozeText, vault);
+
+      const initialOffset = match.index;
+      const endingLine = match.index + match[0].length;
+      const tags: string[] = this.parseTags(match[4], globalTags);
+      const id: number = match[5] ? Number(match[5]) : -1;
+      const inserted: boolean = match[5] ? true : false;
+      const fields: any = { Text: clozeText, Extra: "" };
+      if (this.settings.sourceSupport) {
+        fields["Source"] = note;
+      }
+      const containsCode = this.containsCode([clozeText]);
+
+      const card = new Clozecard(
+        id,
+        deck,
+        originalLine,
+        fields,
+        reversed,
+        initialOffset,
+        endingLine,
+        tags,
+        inserted,
+        medias,
+        containsCode
+      );
+      cards.push(card);
+    }
+
+    return cards;
+  }
+
   private generateInlineCards(
     file: string,
     headings: any,
@@ -398,8 +479,7 @@ export class Parser {
         filename
       )}.md`;
       const fileRename = rename ? rename : filename;
-      const link = `<a href="${href}">[[${fileRename}]]</a>`;
-      return link;
+      return `<a href="${href}">[[${fileRename}]]</a>`;
     });
   }