8 files changed, 182 insertions, 0 deletions
diff --git a/rust/actualbudget_models/Cargo.toml b/rust/actualbudget_models/Cargo.toml
new file mode 100644
index 0000000..83d3093
--- /dev/null
+++ b/rust/actualbudget_models/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "actualbudget_models"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+diesel = { workspace = true, features = ["sqlite"] }
diff --git a/rust/actualbudget_models/src/actualbudget_account.rs b/rust/actualbudget_models/src/actualbudget_account.rs
new file mode 100644
index 0000000..9f058cd
--- /dev/null
+++ b/rust/actualbudget_models/src/actualbudget_account.rs
@@ -0,0 +1,8 @@
+use diesel::prelude::{Queryable, Selectable};
+
+#[derive(Queryable, Selectable)]
+#[diesel(table_name = crate::actualbudget_schema::accounts)]
+pub struct ActualbudgetAccount {
+    pub id: String,
+    pub name: String,
+}
diff --git a/rust/actualbudget_models/src/actualbudget_category.rs b/rust/actualbudget_models/src/actualbudget_category.rs
new file mode 100644
index 0000000..8702f19
--- /dev/null
+++ b/rust/actualbudget_models/src/actualbudget_category.rs
@@ -0,0 +1,8 @@
+use diesel::{prelude::Queryable, Selectable};
+
+#[derive(Queryable, Selectable)]
+#[diesel(table_name = crate::actualbudget_schema::categories)]
+pub struct ActualbudgetCategory {
+    pub id: String,
+    pub name: String,
+}
diff --git a/rust/actualbudget_models/src/actualbudget_date.rs b/rust/actualbudget_models/src/actualbudget_date.rs
new file mode 100644
index 0000000..bef160c
--- /dev/null
+++ b/rust/actualbudget_models/src/actualbudget_date.rs
@@ -0,0 +1,75 @@
+use diesel::{backend::Backend, deserialize::{FromSql, FromSqlRow}, expression::AsExpression, sql_types::Integer, sqlite::Sqlite};
+
+#[derive(Clone, PartialEq, Eq, Debug, AsExpression, FromSqlRow)]
+#[diesel(sql_type=Integer)]
+pub struct ActualbudgetDate(i32);
+
+#[derive(Clone, PartialOrd, PartialEq, Eq)]
+enum DatePart {
+    MonthOfYear,
+    DayOfMonth,
+}
+
+// actualbudget represents dates as numbers which "look like" the corresponding
+// ISO string when written in decimal. E.g. 20240901 represents 1 Sep 2024. It
+// also uses month specifiers, e.g. 202409 to represent Sep 2024. In this case,
+// we interpret this as the first day of the month, e.g. 2024-09-01.
+
+impl ActualbudgetDate {
+    pub fn to_iso(&self) -> String {
+        format!("{0}-{1}-{2}", self.year(), self.month(), self.day())
+    }
+
+    pub fn year(&self) -> String {
+        self.0.to_string()[0..4].to_string()
+    }
+
+    pub fn month(&self) -> String {
+        self.0.to_string()[4..6].to_string()
+    }
+
+    pub fn day(&self) -> String {
+        match self.date_part() {
+            DatePart::DayOfMonth => self.0.to_string()[6..8].to_string(),
+            DatePart::MonthOfYear => String::from("01"),
+        }
+    }
+
+    pub fn from_i32(i: i32) -> Self {
+        ActualbudgetDate(i)
+    }
+
+    fn date_part(&self) -> DatePart {
+        if self.0 < 10000000 {
+            DatePart::MonthOfYear
+        } else {
+            DatePart::DayOfMonth
+        }
+    }
+
+    fn dayified_value(&self) -> i32 {
+        match self.date_part() {
+            DatePart::DayOfMonth => self.0,
+            DatePart::MonthOfYear => self.0 * 100 + 1,
+        }
+    }
+}
+
+impl Ord for ActualbudgetDate {
+    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+        self.dayified_value().cmp(&other.dayified_value())
+    }
+}
+
+impl PartialOrd for ActualbudgetDate {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl FromSql<Integer, Sqlite> for ActualbudgetDate {
+    fn from_sql(bytes: <Sqlite as Backend>::RawValue<'_>) -> diesel::deserialize::Result<Self> {
+        let int: i32 = FromSql::<Integer, Sqlite>::from_sql(bytes)?;
+        Ok(ActualbudgetDate(int))
+    }
+}
diff --git a/rust/actualbudget_models/src/actualbudget_schema.rs b/rust/actualbudget_models/src/actualbudget_schema.rs
new file mode 100644
index 0000000..a872231
--- /dev/null
+++ b/rust/actualbudget_models/src/actualbudget_schema.rs
@@ -0,0 +1,47 @@
+diesel::table! {
+    accounts (id) {
+        id -> Text,
+        name -> Text,
+    }
+}
+
+diesel::table! {
+    categories (id) {
+        id -> Text,
+        name -> Text,
+    }
+}
+
+diesel::table! {
+    transactions (id) {
+        id -> Text,
+        #[sql_name = "isParent"]
+        is_parent -> Bool,
+        #[sql_name = "isChild"]
+        is_child -> Bool,
+        #[sql_name = "acct"]
+        account_id -> Text,
+        #[sql_name = "category"]
+        category_id -> Text,
+        amount -> Integer,
+        #[sql_name = "description"]
+        payee -> Text,
+        notes -> Text,
+        date -> Integer,
+        parent_id -> Nullable<Text>,
+    }
+}
+
+diesel::table! {
+    zero_budgets (id) {
+        id -> Text,
+        month -> Integer,
+        #[sql_name = "category"]
+        category_id -> Text,
+        amount -> Integer,
+        #[sql_name = "carryover"]
+        do_carry_over -> Integer,
+        // goal -> Integer,
+        // long_goal -> Integer,
+    }
+}
diff --git a/rust/actualbudget_models/src/actualbudget_transaction.rs b/rust/actualbudget_models/src/actualbudget_transaction.rs
new file mode 100644
index 0000000..2b2f67b
--- /dev/null
+++ b/rust/actualbudget_models/src/actualbudget_transaction.rs
@@ -0,0 +1,18 @@
+use diesel::prelude::{Identifiable, Queryable, QueryableByName, Selectable};
+
+use crate::actualbudget_date::ActualbudgetDate;
+
+#[derive(Identifiable, QueryableByName, Queryable, Selectable, Clone)]
+#[diesel(table_name = crate::actualbudget_schema::transactions)]
+pub struct ActualbudgetTransaction {
+    pub id: String,
+    pub is_parent: bool,
+    pub is_child: bool,
+    pub account_id: String,
+    pub category_id: String,
+    pub amount: i32,
+    pub payee: String,
+    pub notes: String,
+    pub date: ActualbudgetDate,
+    pub parent_id: Option<String>,
+}
diff --git a/rust/actualbudget_models/src/actualbudget_zero_budget.rs b/rust/actualbudget_models/src/actualbudget_zero_budget.rs
new file mode 100644
index 0000000..41b3443
--- /dev/null
+++ b/rust/actualbudget_models/src/actualbudget_zero_budget.rs
@@ -0,0 +1,13 @@
+use crate::actualbudget_date::ActualbudgetDate;
+use diesel::{prelude::{Identifiable, Queryable, QueryableByName, Selectable}, sqlite::Sqlite};
+
+#[derive(Identifiable, QueryableByName, Queryable, Selectable, Clone)]
+#[diesel(table_name = crate::actualbudget_schema::zero_budgets)]
+#[diesel(check_for_backend(Sqlite))]
+pub struct ActualbudgetZeroBudget {
+    pub id: String,
+    pub month: ActualbudgetDate,
+    pub category_id: String,
+    pub amount: i32,
+    pub do_carry_over: i32,
+}
diff --git a/rust/actualbudget_models/src/lib.rs b/rust/actualbudget_models/src/lib.rs
new file mode 100644
index 0000000..2fae261
--- /dev/null
+++ b/rust/actualbudget_models/src/lib.rs
@@ -0,0 +1,6 @@
+pub mod actualbudget_account;
+pub mod actualbudget_category;
+pub mod actualbudget_date;
+pub mod actualbudget_schema;
+pub mod actualbudget_transaction;
+pub mod actualbudget_zero_budget;