JMAP WIP #3

6 files changed, 344 insertions, 112 deletions

diff --git a/melib/src/backends/jmap.rs b/melib/src/backends/jmap.rs
index 26d850d0..8d25e982 100644
--- a/melib/src/backends/jmap.rs
+++ b/melib/src/backends/jmap.rs
@@ -35,6 +35,19 @@ use std::hash::Hasher;
 use std::str::FromStr;
 use std::sync::{Arc, Mutex, RwLock};
 
+#[macro_export]
+macro_rules! _impl {
+        ($field:ident : $t:ty) => {
+            pub fn $field(mut self, new_val: $t) -> Self {
+                self.$field = new_val;
+                self
+            }
+        }
+    }
+
+pub mod connection;
+use connection::*;
+
 pub mod protocol;
 use protocol::*;
 
@@ -122,7 +135,7 @@ macro_rules! get_conf_val {
     ($s:ident[$var:literal]) => {
         $s.extra.get($var).ok_or_else(|| {
             MeliError::new(format!(
-                "Configuration error ({}): IMAP connection requires the field `{}` set",
+                "Configuration error ({}): JMAP connection requires the field `{}` set",
                 $s.name.as_str(),
                 $var
             ))
@@ -152,7 +165,7 @@ pub struct JmapType {
     online: Arc<Mutex<bool>>,
     is_subscribed: Arc<IsSubscribedFn>,
     server_conf: JmapServerConf,
-    connection: Arc<Mutex<JmapConnection>>,
+    connection: Arc<JmapConnection>,
     folders: Arc<RwLock<FnvHashMap<FolderHash, JmapFolder>>>,
 }
 
@@ -168,15 +181,11 @@ impl MailBackend for JmapType {
         let handle = {
             let tx = w.tx();
             let closure = move |_work_context| {
-                let mut conn_lck = connection.lock().unwrap();
                 tx.send(AsyncStatus::Payload(
-                    protocol::get_message_list(
-                        &mut conn_lck,
-                        &folders.read().unwrap()[&folder_hash],
-                    )
-                    .and_then(|ids| {
-                        protocol::get_message(&mut conn_lck, std::dbg!(&ids).as_slice())
-                    }),
+                    protocol::get_message_list(&connection, &folders.read().unwrap()[&folder_hash])
+                        .and_then(|ids| {
+                            protocol::get_message(&connection, std::dbg!(&ids).as_slice())
+                        }),
                 ))
                 .unwrap();
                 tx.send(AsyncStatus::Finished).unwrap();
@@ -196,9 +205,7 @@ impl MailBackend for JmapType {
 
     fn folders(&self) -> Result<FnvHashMap<FolderHash, Folder>> {
         if self.folders.read().unwrap().is_empty() {
-            let folders = std::dbg!(protocol::get_mailboxes(
-                &mut self.connection.lock().unwrap()
-            ))?;
+            let folders = std::dbg!(protocol::get_mailboxes(&self.connection))?;
             let ret = Ok(folders
                 .iter()
                 .map(|(&h, f)| (h, BackendFolder::clone(f) as Folder))
@@ -242,10 +249,7 @@ impl JmapType {
         let server_conf = JmapServerConf::new(s)?;
 
         Ok(Box::new(JmapType {
-            connection: Arc::new(Mutex::new(JmapConnection::new(
-                &server_conf,
-                online.clone(),
-            )?)),
+            connection: Arc::new(JmapConnection::new(&server_conf, online.clone())?),
             folders: Arc::new(RwLock::new(FnvHashMap::default())),
             account_name: s.name.clone(),
             online,
@@ -263,37 +267,3 @@ impl JmapType {
         Ok(())
     }
 }
-
-#[derive(Debug)]
-pub struct JmapConnection {
-    request_no: usize,
-    client: Client,
-    online_status: Arc<Mutex<bool>>,
-}
-
-impl JmapConnection {
-    pub fn new(server_conf: &JmapServerConf, online_status: Arc<Mutex<bool>>) -> Result<Self> {
-        use reqwest::header;
-        let mut headers = header::HeaderMap::new();
-        headers.insert(
-            header::AUTHORIZATION,
-            header::HeaderValue::from_static("fc32dffe-14e7-11ea-a277-2477037a1804"),
-        );
-        headers.insert(
-            header::ACCEPT,
-            header::HeaderValue::from_static("application/json"),
-        );
-        headers.insert(
-            header::CONTENT_TYPE,
-            header::HeaderValue::from_static("application/json"),
-        );
-        Ok(JmapConnection {
-            request_no: 0,
-            client: reqwest::blocking::ClientBuilder::new()
-                .danger_accept_invalid_certs(server_conf.danger_accept_invalid_certs)
-                .default_headers(headers)
-                .build()?,
-            online_status,
-        })
-    }
-}
diff --git a/melib/src/backends/jmap/connection.rs b/melib/src/backends/jmap/connection.rs
new file mode 100644
index 00000000..036abd82
--- /dev/null
+++ b/melib/src/backends/jmap/connection.rs
@@ -0,0 +1,64 @@
+/*
+ * meli - jmap module.
+ *
+ * Copyright 2019 Manos Pitsidianakis
+ *
+ * This file is part of meli.
+ *
+ * meli is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * meli is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with meli. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+use super::*;
+
+#[derive(Debug)]
+pub struct JmapConnection {
+    pub request_no: Arc<Mutex<usize>>,
+    pub client: Arc<Mutex<Client>>,
+    pub online_status: Arc<Mutex<bool>>,
+    pub server_conf: JmapServerConf,
+}
+
+impl JmapConnection {
+    pub fn new(server_conf: &JmapServerConf, online_status: Arc<Mutex<bool>>) -> Result<Self> {
+        use reqwest::header;
+        let mut headers = header::HeaderMap::new();
+        headers.insert(
+            header::AUTHORIZATION,
+            header::HeaderValue::from_static("fc32dffe-14e7-11ea-a277-2477037a1804"),
+        );
+        headers.insert(
+            header::ACCEPT,
+            header::HeaderValue::from_static("application/json"),
+        );
+        headers.insert(
+            header::CONTENT_TYPE,
+            header::HeaderValue::from_static("application/json"),
+        );
+        let client = reqwest::blocking::ClientBuilder::new()
+            .danger_accept_invalid_certs(server_conf.danger_accept_invalid_certs)
+            .default_headers(headers)
+            .build()?;
+
+        let res_text = client.get(&server_conf.server_hostname).send()?.text()?;
+        debug!(&res_text);
+
+        let server_conf = server_conf.clone();
+        Ok(JmapConnection {
+            request_no: Arc::new(Mutex::new(0)),
+            client: Arc::new(Mutex::new(client)),
+            online_status,
+            server_conf,
+        })
+    }
+}
diff --git a/melib/src/backends/jmap/objects/email.rs b/melib/src/backends/jmap/objects/email.rs
index 851e41c0..d10d40e4 100644
--- a/melib/src/backends/jmap/objects/email.rs
+++ b/melib/src/backends/jmap/objects/email.rs
@@ -21,6 +21,7 @@
 
 use super::*;
 use crate::backends::jmap::protocol::*;
+use crate::backends::jmap::rfc8620::bool_false;
 use std::collections::HashMap;
 
 // 4.1.1.
@@ -151,7 +152,7 @@ pub struct EmailQueryResponse {
 #[derive(Deserialize, Serialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct EmailQueryCall {
-    pub filter: Vec<EmailFilterCondition>, /* "inMailboxes": [ folder.id ] },*/
+    pub filter: EmailFilterCondition, /* "inMailboxes": [ folder.id ] },*/
     pub collapse_threads: bool,
     pub position: u64,
     pub fetch_threads: bool,
@@ -166,18 +167,44 @@ impl Method<EmailObject> for EmailQueryCall {
 #[derive(Deserialize, Serialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct EmailGetCall {
-    pub filter: Vec<EmailFilterCondition>, /* "inMailboxes": [ folder.id ] },*/
-    pub collapse_threads: bool,
-    pub position: u64,
-    pub fetch_threads: bool,
-    pub fetch_messages: bool,
-    pub fetch_message_properties: Vec<MessageProperty>,
+    #[serde(flatten)]
+    pub get_call: GetCall<EmailObject>,
+    #[serde(skip_serializing_if = "Vec::is_empty")]
+    pub body_properties: Vec<String>,
+    #[serde(default = "bool_false")]
+    pub fetch_text_body_values: bool,
+    #[serde(default = "bool_false")]
+    pub fetch_html_body_values: bool,
+    #[serde(default = "bool_false")]
+    pub fetch_all_body_values: bool,
+    #[serde(default)]
+    pub max_body_value_bytes: u64,
 }
 
 impl Method<EmailObject> for EmailGetCall {
     const NAME: &'static str = "Email/get";
 }
 
+impl EmailGetCall {
+    pub fn new(get_call: GetCall<EmailObject>) -> Self {
+        EmailGetCall {
+            get_call,
+            body_properties: Vec::new(),
+            fetch_text_body_values: false,
+            fetch_html_body_values: false,
+            fetch_all_body_values: false,
+            max_body_value_bytes: 0,
+        }
+    }
+
+    _impl!(get_call: GetCall<EmailObject>);
+    _impl!(body_properties: Vec<String>);
+    _impl!(fetch_text_body_values: bool);
+    _impl!(fetch_html_body_values: bool);
+    _impl!(fetch_all_body_values: bool);
+    _impl!(max_body_value_bytes: u64);
+}
+
 #[derive(Serialize, Deserialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct EmailFilterCondition {
@@ -225,6 +252,29 @@ pub struct EmailFilterCondition {
     pub header: Vec<String>,
 }
 
+impl EmailFilterCondition {
+    _impl!(in_mailboxes: Vec<Id>);
+    _impl!(in_mailbox_other_than: Vec<Id>);
+    _impl!(before: UtcDate);
+    _impl!(after: UtcDate);
+    _impl!(min_size: Option<u64>);
+    _impl!(max_size: Option<u64>);
+    _impl!(all_in_thread_have_keyword: String);
+    _impl!(some_in_thread_have_keyword: String);
+    _impl!(none_in_thread_have_keyword: String);
+    _impl!(has_keyword: String);
+    _impl!(not_keyword: String);
+    _impl!(has_attachment: Option<bool>);
+    _impl!(text: String);
+    _impl!(from: String);
+    _impl!(to: String);
+    _impl!(cc: String);
+    _impl!(bcc: String);
+    _impl!(subject: String);
+    _impl!(body: String);
+    _impl!(header: Vec<String>);
+}
+
 impl FilterTrait<EmailObject> for EmailFilterCondition {}
 
 // The following convenience properties are also specified for the Email
diff --git a/melib/src/backends/jmap/protocol.rs b/melib/src/backends/jmap/protocol.rs
index 125e9366..8557f253 100644
--- a/melib/src/backends/jmap/protocol.rs
+++ b/melib/src/backends/jmap/protocol.rs
@@ -29,6 +29,15 @@ pub type UtcDate = String;
 
 use super::rfc8620::Object;
 
+macro_rules! get_request_no {
+    ($lock:expr) => {{
+        let mut lck = $lock.lock().unwrap();
+        let ret = *lck;
+        *lck += 1;
+        ret
+    }};
+}
+
 pub trait Method<OBJ: Object>: Serialize {
     const NAME: &'static str;
 }
@@ -68,19 +77,25 @@ pub struct Request {
     /* Why is this Value instead of Box<dyn Method<_>>? The Method trait cannot be made into a
      * Trait object because its serialize() will be generic. */
     method_calls: Vec<Value>,
+
+    #[serde(skip_serializing)]
+    request_no: Arc<Mutex<usize>>,
 }
 
 impl Request {
-    pub fn new() -> Self {
+    pub fn new(request_no: Arc<Mutex<usize>>) -> Self {
         Request {
             using: USING,
             method_calls: Vec::new(),
+            request_no,
         }
     }
 
-    pub fn add_call<M: Method<O>, O: Object>(&mut self, call: M) {
+    pub fn add_call<M: Method<O>, O: Object>(&mut self, call: M) -> usize {
+        let seq = get_request_no!(self.request_no);
         self.method_calls
-            .push(serde_json::to_value((M::NAME, call, "f")).unwrap());
+            .push(serde_json::to_value((M::NAME, call, &format!("m{}", seq))).unwrap());
+        seq
     }
 }
 
@@ -100,17 +115,19 @@ pub enum MethodCall {
     Empty {},
 }
 
-pub fn get_mailboxes(conn: &mut JmapConnection) -> Result<FnvHashMap<FolderHash, JmapFolder>> {
+pub fn get_mailboxes(conn: &JmapConnection) -> Result<FnvHashMap<FolderHash, JmapFolder>> {
+    let seq = get_request_no!(conn.request_no);
     let res = conn
         .client
+        .lock()
+        .unwrap()
         .post("https://jmap-proxy.local/jmap/fc32dffe-14e7-11ea-a277-2477037a1804/")
         .json(&json!({
             "using": ["urn:ietf:params:jmap:core", "urn:ietf:params:jmap:mail"],
             "methodCalls": [["Mailbox/get", {},
-             format!("#m{}", conn.request_no + 1).as_str()]],
+             format!("#m{}",seq).as_str()]],
         }))
         .send();
-    conn.request_no += 1;
 
     let mut v: JsonResponse =
         serde_json::from_str(&std::dbg!(res.unwrap().text().unwrap())).unwrap();
@@ -259,12 +276,13 @@ pub struct JmapRights {
 //         fetchSearchSnippets: false
 //     }, "call1"]
 // ]
-pub fn get_message_list(conn: &mut JmapConnection, folder: &JmapFolder) -> Result<Vec<String>> {
+pub fn get_message_list(conn: &JmapConnection, folder: &JmapFolder) -> Result<Vec<String>> {
+    let seq = get_request_no!(conn.request_no);
     let email_call: EmailQueryCall = EmailQueryCall {
-        filter: vec![EmailFilterCondition {
+        filter: EmailFilterCondition {
             in_mailboxes: vec![folder.id.clone()],
             ..Default::default()
-        }],
+        },
         collapse_threads: false,
         position: 0,
         fetch_threads: true,
@@ -285,9 +303,8 @@ pub fn get_message_list(conn: &mut JmapConnection, folder: &JmapFolder) -> Resul
         ],
     };
 
-    let mut req = Request::new();
+    let mut req = Request::new(conn.request_no.clone());
     req.add_call(email_call);
-    std::dbg!(serde_json::to_string(&req));
 
     /*
     {
@@ -328,37 +345,43 @@ pub fn get_message_list(conn: &mut JmapConnection, folder: &JmapFolder) -> Resul
             ]]
     }
             */
+    /*
+        r#"
+        "using": ["urn:ietf:params:jmap:core", "urn:ietf:params:jmap:mail"],
+        "methodCalls": [["Email/query", { "filter": {
+            "inMailboxes": [ folder.id ]
+        },
+       "collapseThreads": false,
+       "position": 0,
+       "fetchThreads": true,
+       "fetchMessages": true,
+       "fetchMessageProperties": [
+           "threadId",
+           "mailboxId",
+           "isUnread",
+           "isFlagged",
+           "isAnswered",
+           "isDraft",
+           "hasAttachment",
+           "from",
+           "to",
+           "subject",
+           "date",
+           "preview"
+       ],
+        }, format!("m{}", seq).as_str()]],
+    });"
+    );*/
+
+    std::dbg!(serde_json::to_string(&req));
     let res = conn
         .client
+        .lock()
+        .unwrap()
         .post("https://jmap-proxy.local/jmap/fc32dffe-14e7-11ea-a277-2477037a1804/")
-        .json(&json!({
-            "using": ["urn:ietf:params:jmap:core", "urn:ietf:params:jmap:mail"],
-            "methodCalls": [["Email/query", { "filter": {
-                "inMailboxes": [ folder.id ]
-            },
-           "collapseThreads": false,
-           "position": 0,
-           "fetchThreads": true,
-           "fetchMessages": true,
-           "fetchMessageProperties": [
-               "threadId",
-               "mailboxId",
-               "isUnread",
-               "isFlagged",
-               "isAnswered",
-               "isDraft",
-               "hasAttachment",
-               "from",
-               "to",
-               "subject",
-               "date",
-               "preview"
-           ],
-            }, format!("#m{}", conn.request_no + 1).as_str()]],
-        }))
+        .json(&req)
         .send();
 
-    conn.request_no += 1;
     let mut v: JsonResponse = serde_json::from_str(&std::dbg!(res.unwrap().text().unwrap()))?;
 
     let result: Response = v.method_responses.remove(0).1;
@@ -369,11 +392,35 @@ pub fn get_message_list(conn: &mut JmapConnection, folder: &JmapFolder) -> Resul
     }
 }
 
-pub fn get_message(conn: &mut JmapConnection, ids: &[String]) -> Result<Vec<Envelope>> {
+pub fn get_message(conn: &JmapConnection, ids: &[String]) -> Result<Vec<Envelope>> {
+    let seq = get_request_no!(conn.request_no);
+    let email_call: EmailGetCall =
+        EmailGetCall::new(GetCall::new().ids(Some(ids.iter().cloned().collect::<Vec<String>>())));
+
+    let mut req = Request::new(conn.request_no.clone());
+    req.add_call(email_call);
     let res = conn
         .client
+        .lock()
+        .unwrap()
         .post("https://jmap-proxy.local/jmap/fc32dffe-14e7-11ea-a277-2477037a1804/")
-        .json(&json!({
+        .json(&req)
+        .send();
+
+    let res_text = res?.text()?;
+    let v: JsonResponse = serde_json::from_str(&res_text)?;
+    let mut f = std::fs::File::create(std::dbg!(format!("/tmp/asdfsa{}", seq))).unwrap();
+    use std::io::Write;
+    f.write_all(
+        serde_json::to_string_pretty(&serde_json::from_str::<Value>(&res_text)?)?.as_bytes(),
+    )
+    .unwrap();
+    Ok(vec![])
+}
+
+/*
+ *
+ *json!({
             "using": ["urn:ietf:params:jmap:core", "urn:ietf:params:jmap:mail"],
             "methodCalls": [["Email/get", {
                 "ids": ids,
@@ -383,12 +430,7 @@ pub fn get_message(conn: &mut JmapConnection, ids: &[String]) -> Result<Vec<Enve
                 "bodyProperties": [ "partId", "blobId", "size", "type" ],
                 "fetchHTMLBodyValues": true,
                 "maxBodyValueBytes": 256
-            }, format!("#m{}", conn.request_no + 1).as_str()]],
+            }, format!("m{}", seq).as_str()]],
         }))
-        .send();
-    conn.request_no += 1;
 
-    let v: JsonResponse = serde_json::from_str(&std::dbg!(res.unwrap().text().unwrap()))?;
-    std::dbg!(&v);
-    Ok(vec![])
-}
+*/
diff --git a/melib/src/backends/jmap/rfc8620.rs b/melib/src/backends/jmap/rfc8620.rs
index 55863b6c..f8cb0ce4 100644
--- a/melib/src/backends/jmap/rfc8620.rs
+++ b/melib/src/backends/jmap/rfc8620.rs
@@ -19,14 +19,18 @@
  * along with meli. If not, see <http://www.gnu.org/licenses/>.
  */
 
+use super::Id;
 use core::marker::PhantomData;
 use serde::{de::DeserializeOwned, Serialize};
+use serde_json::Value;
+
 mod filters;
 pub use filters::*;
 mod comparator;
 pub use comparator::*;
 
 use super::protocol::Method;
+use std::collections::HashMap;
 pub trait Object {}
 
 // 5.1.  /get
@@ -57,20 +61,76 @@ pub trait Object {}
 
 #[derive(Deserialize, Serialize, Debug)]
 #[serde(rename_all = "camelCase")]
-pub struct GetCall<OBJ: Object, CALL: Method<OBJ>>
+pub struct JmapSession {
+    capabilities: HashMap<String, CapabilitiesObject>,
+    accounts: HashMap<Id, Account>,
+    primary_accounts: Vec<Id>,
+    username: String,
+    api_url: String,
+    download_url: String,
+
+    upload_url: String,
+    event_source_url: String,
+    state: String,
+    #[serde(flatten)]
+    extra_properties: HashMap<String, Value>,
+}
+
+#[derive(Deserialize, Serialize, Debug)]
+#[serde(rename_all = "camelCase")]
+pub struct CapabilitiesObject {
+    max_size_upload: u64,
+    max_concurrent_upload: u64,
+    max_size_request: u64,
+    max_concurrent_requests: u64,
+    max_calls_in_request: u64,
+    max_objects_in_get: u64,
+    max_objects_in_set: u64,
+    collation_algorithms: Vec<String>,
+}
+
+#[derive(Deserialize, Serialize, Debug)]
+#[serde(rename_all = "camelCase")]
+pub struct Account {
+    name: String,
+    is_personal: bool,
+    is_read_only: bool,
+    account_capabilities: HashMap<String, Value>,
+    #[serde(flatten)]
+    extra_properties: HashMap<String, Value>,
+}
+
+#[derive(Deserialize, Serialize, Debug)]
+#[serde(rename_all = "camelCase")]
+pub struct GetCall<OBJ: Object>
 where
     OBJ: std::fmt::Debug + Serialize,
 {
     #[serde(skip_serializing_if = "String::is_empty")]
-    account_id: String,
+    pub account_id: String,
     #[serde(skip_serializing_if = "Option::is_none")]
-    ids: Option<Vec<String>>,
+    pub ids: Option<Vec<String>>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    properties: Option<Vec<String>>,
-    _ph: PhantomData<*const CALL>,
-    __ph: PhantomData<*const OBJ>,
+    pub properties: Option<Vec<String>>,
+    _ph: PhantomData<*const OBJ>,
 }
 
+impl<OBJ: Object> GetCall<OBJ>
+where
+    OBJ: std::fmt::Debug + Serialize,
+{
+    pub fn new() -> Self {
+        Self {
+            account_id: String::new(),
+            ids: None,
+            properties: None,
+            _ph: PhantomData,
+        }
+    }
+    _impl!(account_id: String);
+    _impl!(ids: Option<Vec<String>>);
+    _impl!(properties: Option<Vec<String>>);
+}
 //   The response has the following arguments:
 //
 //   o  accountId: "Id"
@@ -128,6 +188,7 @@ pub struct GetResponse<T> {
 enum JmapError {
     RequestTooLarge,
     InvalidArguments,
+    InvalidResultReference,
 }
 
 // 5.5.  /query
@@ -321,11 +382,39 @@ where
     _ph: PhantomData<*const OBJ>,
 }
 
-fn bool_false() -> bool {
+impl<F: FilterTrait<OBJ>, OBJ: Object> QueryCall<F, OBJ>
+where
+    OBJ: std::fmt::Debug + Serialize,
+{
+    pub fn new() -> Self {
+        Self {
+            account_id: String::new(),
+            filter: None,
+            sort: None,
+            position: 0,
+            anchor: None,
+            anchor_offset: 0,
+            limit: None,
+            calculate_total: false,
+            _ph: PhantomData,
+        }
+    }
+
+    _impl!(account_id: String);
+    _impl!(filter: Option<Filter<F, OBJ>>);
+    _impl!(sort: Option<Comparator<OBJ>>);
+    _impl!(position: u64);
+    _impl!(anchor: Option<String>);
+    _impl!(anchor_offset: u64);
+    _impl!(limit: Option<u64>);
+    _impl!(calculate_total: bool);
+}
+
+pub fn bool_false() -> bool {
     false
 }
 
-fn bool_true() -> bool {
+pub fn bool_true() -> bool {
     true
 }
 
diff --git a/melib/src/backends/jmap/rfc8620/comparator.rs b/melib/src/backends/jmap/rfc8620/comparator.rs
index c11ad266..e1bad283 100644
--- a/melib/src/backends/jmap/rfc8620/comparator.rs
+++ b/melib/src/backends/jmap/rfc8620/comparator.rs
@@ -35,6 +35,23 @@ pub struct Comparator<OBJ: Object> {
     _ph: PhantomData<*const OBJ>,
 }
 
+impl<OBJ: Object> Comparator<OBJ> {
+    pub fn new() -> Self {
+        Self {
+            property: String::new(),
+            is_ascending: true,
+            collation: None,
+            additional_properties: Vec::new(),
+            _ph: PhantomData,
+        }
+    }
+
+    _impl!(property: String);
+    _impl!(is_ascending: bool);
+    _impl!(collation: Option<String>);
+    _impl!(additional_properties: Vec<String>);
+}
+
 #[derive(Serialize, Debug)]
 #[serde(rename_all = "UPPERCASE")]
 pub enum FilterOperator {