feat: v2 rewrite — hexagonal arch, ActivityPub federation, NATS, deployment-ready (#1)

crates/domain/src/models/thought.rs

@@ -0,0 +1,72 @@
+use crate::value_objects::{Content, ThoughtId, UserId};
+use chrono::{DateTime, Utc};
+
+#[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+pub enum Visibility {
+    Public,
+    Followers,
+    Unlisted,
+    Direct,
+}
+
+#[derive(Debug, Clone)]
+pub struct Thought {
+    pub id: ThoughtId,
+    pub user_id: UserId,
+    pub content: Content,
+    pub in_reply_to_id: Option<ThoughtId>,
+    pub visibility: Visibility,
+    pub content_warning: Option<String>,
+    pub sensitive: bool,
+    pub local: bool,
+    pub created_at: DateTime<Utc>,
+    pub updated_at: Option<DateTime<Utc>>,
+}
+
+impl Visibility {
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            Visibility::Public => "public",
+            Visibility::Followers => "followers",
+            Visibility::Unlisted => "unlisted",
+            Visibility::Direct => "direct",
+        }
+    }
+
+    pub fn from_db_str(s: &str) -> Result<Self, crate::errors::DomainError> {
+        match s {
+            "public" => Ok(Self::Public),
+            "followers" => Ok(Self::Followers),
+            "unlisted" => Ok(Self::Unlisted),
+            "direct" => Ok(Self::Direct),
+            other => Err(crate::errors::DomainError::Internal(format!(
+                "unknown visibility: '{other}'"
+            ))),
+        }
+    }
+}
+
+impl Thought {
+    pub fn new_local(
+        id: ThoughtId,
+        user_id: UserId,
+        content: Content,
+        in_reply_to_id: Option<ThoughtId>,
+        visibility: Visibility,
+        content_warning: Option<String>,
+        sensitive: bool,
+    ) -> Self {
+        Self {
+            id,
+            user_id,
+            content,
+            in_reply_to_id,
+            visibility,
+            content_warning,
+            sensitive,
+            local: true,
+            created_at: Utc::now(),
+            updated_at: None,
+        }
+    }
+}