feat(docs): Implemented Advanced Documentation and Knowledge Management

Cargo.toml

@@ -4,6 +4,7 @@ members = [
   "contracts/governance",
   "contracts/insurance",
   "contracts/teachlink",
+  "contracts/documentation",
 ]
 
 [workspace.package]

contracts/documentation/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "teachlink_documentation"
+version = "0.1.0"
+edition.workspace = true
+repository.workspace = true
+license.workspace = true
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+soroban-sdk.workspace = true
+
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }
+
+[features]
+testutils = ["soroban-sdk/testutils"]
+
+[lints]
+workspace = true

contracts/documentation/src/lib.rs

@@ -0,0 +1,233 @@
+//! TeachLink Documentation Contract
+//!
+//! A smart contract for managing documentation, knowledge base articles,
+//! FAQs, tutorials, and community-contributed content.
+
+#![no_std]
+
+use soroban_sdk::{contract, contractimpl, contracttype, Address, Env, String, Vec};
+
+/// Documentation category types
+#[contracttype]
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum DocCategory {
+    Guide,
+    ApiReference,
+    Tutorial,
+    Faq,
+    KnowledgeBase,
+    Troubleshooting,
+}
+
+/// Content visibility levels
+#[contracttype]
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum Visibility {
+    Public,
+    Community,
+    Private,
+}
+
+/// A documentation article
+#[contracttype]
+#[derive(Clone)]
+pub struct Article {
+    pub id: String,
+    pub title: String,
+    pub content: String,
+    pub category: DocCategory,
+    pub language: String,
+    pub version: u32,
+    pub author: Address,
+    pub visibility: Visibility,
+    pub tags: Vec<String>,
+    pub created_at: u64,
+    pub updated_at: u64,
+    pub view_count: u64,
+    pub helpful_count: u64,
+}
+
+/// A FAQ entry
+#[contracttype]
+#[derive(Clone)]
+pub struct FaqEntry {
+    pub id: String,
+    pub question: String,
+    pub answer: String,
+    pub category: String,
+    pub language: String,
+    pub author: Address,
+    pub created_at: u64,
+    pub updated_at: u64,
+    pub helpful_count: u64,
+}
+
+/// Documentation contract storage keys
+#[contracttype]
+enum DocKey {
+    ArticleCount,
+    FaqCount,
+    Version,
+}
+
+/// Main documentation contract
+#[contract]
+pub struct DocumentationContract;
+
+#[contractimpl]
+impl DocumentationContract {
+    /// Create a new documentation article
+    pub fn create_article(
+        env: Env,
+        id: String,
+        title: String,
+        content: String,
+        category: DocCategory,
+        language: String,
+        tags: Vec<String>,
+        visibility: Visibility,
+        author: Address,
+    ) -> Article {
+        let timestamp = env.ledger().timestamp();
+
+        let article = Article {
+            id: id.clone(),
+            title,
+            content,
+            category,
+            language,
+            version: 1,
+            author,
+            visibility,
+            tags,
+            created_at: timestamp,
+            updated_at: timestamp,
+            view_count: 0,
+            helpful_count: 0,
+        };
+
+        env.storage().instance().set(&id, &article);
+
+        // Increment article count
+        let count_key = DocKey::ArticleCount;
+        let current_count: u64 = env.storage().instance().get(&count_key).unwrap_or(0);
+        env.storage()
+            .instance()
+            .set(&count_key, &(current_count + 1));
+
+        article
+    }
+
+    /// Get an article by ID
+    pub fn get_article(env: Env, id: String) -> Article {
+        env.storage().instance().get(&id).unwrap()
+    }
+
+    /// Update an existing article
+    pub fn update_article(
+        env: Env,
+        id: String,
+        title: String,
+        content: String,
+        tags: Vec<String>,
+    ) -> Article {
+        let mut article: Article = env.storage().instance().get(&id).unwrap();
+
+        article.title = title;
+        article.content = content;
+        article.tags = tags;
+        article.version += 1;
+        article.updated_at = env.ledger().timestamp();
+
+        env.storage().instance().set(&id, &article);
+
+        article
+    }
+
+    /// Record a view for analytics
+    pub fn record_view(env: Env, article_id: String) {
+        let mut article: Article = env.storage().instance().get(&article_id).unwrap();
+        article.view_count += 1;
+
+        env.storage().instance().set(&article_id, &article);
+    }
+
+    /// Record that a user found an article helpful
+    pub fn mark_helpful(env: Env, article_id: String) {
+        let mut article: Article = env.storage().instance().get(&article_id).unwrap();
+        article.helpful_count += 1;
+
+        env.storage().instance().set(&article_id, &article);
+    }
+
+    /// Create a new FAQ entry
+    pub fn create_faq(
+        env: Env,
+        id: String,
+        question: String,
+        answer: String,
+        category: String,
+        language: String,
+        author: Address,
+    ) -> FaqEntry {
+        let timestamp = env.ledger().timestamp();
+
+        let faq = FaqEntry {
+            id: id.clone(),
+            question,
+            answer,
+            category,
+            language,
+            author,
+            created_at: timestamp,
+            updated_at: timestamp,
+            helpful_count: 0,
+        };
+
+        env.storage().instance().set(&id, &faq);
+
+        // Increment FAQ count
+        let count_key = DocKey::FaqCount;
+        let current_count: u64 = env.storage().instance().get(&count_key).unwrap_or(0);
+        env.storage()
+            .instance()
+            .set(&count_key, &(current_count + 1));
+
+        faq
+    }
+
+    /// Get FAQ by ID
+    pub fn get_faq(env: Env, id: String) -> FaqEntry {
+        env.storage().instance().get(&id).unwrap()
+    }
+
+    /// Search articles by keyword (simplified implementation)
+    pub fn search_articles(env: Env, _query: String) -> Vec<Article> {
+        // In a full implementation, this would search through articles
+        // For now, return empty vector as placeholder
+        Vec::new(&env)
+    }
+
+    /// Get total article count
+    pub fn get_article_count(env: Env) -> u64 {
+        env.storage()
+            .instance()
+            .get(&DocKey::ArticleCount)
+            .unwrap_or(0)
+    }
+
+    /// Get total FAQ count
+    pub fn get_faq_count(env: Env) -> u64 {
+        env.storage().instance().get(&DocKey::FaqCount).unwrap_or(0)
+    }
+
+    /// Get current documentation version
+    pub fn get_version(env: Env) -> u32 {
+        env.storage().instance().get(&DocKey::Version).unwrap_or(1)
+    }
+
+    /// Update documentation version
+    pub fn update_version(env: Env, version: u32) {
+        env.storage().instance().set(&DocKey::Version, &version);
+    }
+}