Add creating new personal chats

Cargo.lock

@@ -45,9 +45,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.44"
+version = "1.0.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61604a8f862e1d5c3229fdd78f8b02c68dcf73a4c4b05fd636d12240aaa242c1"
+checksum = "ee10e43ae4a853c0a3591d4e2ada1719e553be18199d9da9d4a83f5927c2f5c7"
 
 [[package]]
 name = "ascii"
@@ -195,9 +195,9 @@ checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
 [[package]]
 name = "cc"
-version = "1.0.71"
+version = "1.0.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79c2681d6594606957bbb8631c4b90a7fcaaa72cdb714743a437b156d6a7eedd"
+checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
 
 [[package]]
 name = "cfg-if"
@@ -274,9 +274,9 @@ dependencies = [
 
 [[package]]
 name = "crc"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10c2722795460108a7872e1cd933a85d6ec38abc4baecad51028f702da28889f"
+checksum = "49fc9a695bca7f35f5f4c15cddc84415f66a74ea78eef08e90c5024f2b540e23"
 dependencies = [
  "crc-catalog",
 ]
@@ -678,15 +678,15 @@ checksum = "acd94fdbe1d4ff688b67b04eee2e17bd50995534a61539e45adfefb45e5e5503"
 
 [[package]]
 name = "httpdate"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6456b8a6c8f33fee7d958fcd1b60d55b11940a79e63ae87013e6d22e26034440"
+checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
 
 [[package]]
 name = "hyper"
-version = "0.14.14"
+version = "0.14.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b91bb1f221b6ea1f1e4371216b70f40748774c2fb5971b450c07773fb92d26b"
+checksum = "436ec0091e4f20e655156a30a0df3770fe2900aa301e548e08446ec794b6953c"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -728,15 +728,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "input_buffer"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f97967975f448f1a7ddb12b0bc41069d09ed6a1c161a92687e057325db35d413"
-dependencies = [
- "bytes",
-]
-
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -828,9 +819,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.105"
+version = "0.2.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "869d572136620d55835903746bcb5cdc54cb2851fd0aeec53220b4bb65ef3013"
+checksum = "fbe5e23404da5b4f555ef85ebed98fb4083e55a00c317800bc2a50ede9f3d219"
 
 [[package]]
 name = "libsqlite3-sys"
@@ -897,9 +888,9 @@ dependencies = [
 
 [[package]]
 name = "minimal-lexical"
-version = "0.1.4"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c64630dcdd71f1a64c435f54885086a0de5d6a12d104d69b165fb7d5286d677"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
 [[package]]
 name = "miniz_oxide"
@@ -935,9 +926,9 @@ dependencies = [
 
 [[package]]
 name = "multipart"
-version = "0.17.1"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d050aeedc89243f5347c3e237e3e13dc76fbe4ae3742a57b94dc14f69acf76d4"
+checksum = "00dec633863867f29cb39df64a397cdf4a6354708ddd7759f70c7fb51c5f9182"
 dependencies = [
  "buf_redux",
  "httparse",
@@ -945,7 +936,7 @@ dependencies = [
  "mime",
  "mime_guess",
  "quick-error",
- "rand 0.7.3",
+ "rand 0.8.4",
  "safemem",
  "tempfile",
  "twoway",
@@ -987,9 +978,9 @@ dependencies = [
 
 [[package]]
 name = "nom"
-version = "7.0.0"
+version = "7.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ffd9d26838a953b4af82cbeb9f1592c6798916983959be223a7124e992742c1"
+checksum = "1b1d11e1ef389c76fe5b81bcaf2ea32cf88b62bc494e19f493d0b30e7a930109"
 dependencies = [
  "memchr",
  "minimal-lexical",
@@ -1048,9 +1039,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "openssl"
-version = "0.10.36"
+version = "0.10.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d9facdb76fec0b73c406f125d44d86fdad818d66fef0531eec9233ca425ff4a"
+checksum = "0c7ae222234c30df141154f159066c5093ff73b63204dcda7121eb082fc56a95"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -1068,9 +1059,9 @@ checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.67"
+version = "0.9.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69df2d8dfc6ce3aaf44b40dec6f487d5a886516cf6879c49e98e0710f310a058"
+checksum = "7df13d165e607909b363a4757a6f133f8a818a74e9d3a98d09c6128e15fa4c73"
 dependencies = [
  "autocfg",
  "cc",
@@ -1192,9 +1183,9 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.30"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc3358ebc67bc8b7fa0c007f945b0b18226f78437d61bec735a9eb96b61ee70"
+checksum = "ba508cc11742c0dc5c1659771673afbab7a0efab23aa17e854cbab0837ed0b43"
 dependencies = [
  "unicode-xid",
 ]
@@ -1430,9 +1421,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.68"
+version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f690853975602e1bfe1ccbf50504d67174e3bcf340f23b5ea9992e0587a52d8"
+checksum = "e277c495ac6cd1a01a58d0a0c574568b4d1ddf14f59965c6a58b8d96400b54f3"
 dependencies = [
  "indexmap",
  "itoa",
@@ -1669,9 +1660,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.80"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d010a1623fbd906d51d650a9916aaefc05ffa0e4053ff7fe601167f3e715d194"
+checksum = "f2afee18b8beb5a596ecb4a2dce128c719b4ba399d34126b9e4396e3f9860966"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1744,9 +1735,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f83b2a3d4d9091d0abd7eba4dc2710b1718583bd4d8992e2190720ea38f391f7"
+checksum = "2c1c1d5a42b6245520c249549ec267180beaffcc0615401ac8e31853d4b6d8d2"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -1759,9 +1750,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.12.0"
+version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2c2416fdedca8443ae44b4527de1ea633af61d8f7169ffa6e72c5b53d24efcc"
+checksum = "70e992e41e0d2fb9f755b37446f20900f64446ef54874f40a60c78f021ac6144"
 dependencies = [
  "autocfg",
  "bytes",
@@ -1776,9 +1767,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "1.5.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2dd85aeaba7b68df939bd357c6afb36c87951be9e80bf9c859f2fc3e9fca0fd"
+checksum = "c9efc1aba077437943f7515666aa2b882dfabfbfdf89c819ea75a8d6e9eaba5e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1808,9 +1799,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-stream"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b2f3f698253f03119ac0102beaa64f67a67e08074d03a22d18784104543727f"
+checksum = "50145484efff8818b5ccd256697f36863f587da82cf8b409c53adf1e840798e3"
 dependencies = [
  "futures-core",
  "pin-project-lite",
@@ -1819,9 +1810,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.13.0"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1a5f475f1b9d077ea1017ecbc60890fda8e54942d680ca0b1d2b47cfa2d861b"
+checksum = "511de3f85caf1c98983545490c3d09685fa8eb634e57eec22bb4db271f46cbd8"
 dependencies = [
  "futures-util",
  "log",
@@ -1832,9 +1823,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.6.8"
+version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08d3725d3efa29485e87311c5b699de63cde14b00ed4d256b8318aa30ca452cd"
+checksum = "9e99e1983e5d376cd8eb4b66604d2e99e79f5bd988c3055891dcd8c9e2604cc0"
 dependencies = [
  "bytes",
  "futures-core",
@@ -1888,19 +1879,19 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "tungstenite"
-version = "0.12.0"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ada8297e8d70872fa9a551d93250a9f407beb9f37ef86494eb20012a2ff7c24"
+checksum = "a0b2d8558abd2e276b0a8df5c05a2ec762609344191e5fd23e292c910e9165b5"
 dependencies = [
  "base64",
  "byteorder",
  "bytes",
  "http",
  "httparse",
- "input_buffer",
  "log",
  "rand 0.8.4",
  "sha-1",
+ "thiserror",
  "url",
  "utf-8",
 ]
@@ -2048,13 +2039,14 @@ dependencies = [
 
 [[package]]
 name = "warp"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "332d47745e9a0c38636dbd454729b147d16bd1ed08ae67b3ab281c4506771054"
+checksum = "3cef4e1e9114a4b7f1ac799f16ce71c14de5778500c5450ec6b7b920c55b587e"
 dependencies = [
  "async-compression",
  "bytes",
- "futures",
+ "futures-channel",
+ "futures-util",
  "headers",
  "http",
  "hyper",
@@ -2165,9 +2157,9 @@ dependencies = [
 
 [[package]]
 name = "whoami"
-version = "1.1.5"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "483a59fee1a93fec90eb08bc2eb4315ef10f4ebc478b3a5fadc969819cb66117"
+checksum = "c33ac5ee236a4efbf2c98967e12c6cc0c51d93a744159a52957ba206ae6ef5f7"
 dependencies = [
  "wasm-bindgen",
  "web-sys",

src/graphql.rs

@@ -3,6 +3,7 @@ use std::{
         TryFrom,
         TryInto,
     },
+    collections::BTreeSet,
     fmt::Display,
     str::FromStr,
 };
@@ -520,6 +521,56 @@ impl Mutation {
 
         Ok(ID::new(id_to_uuid(&user.id)?.to_simple().to_string()))
     }
+
+    async fn newChat(context: &Context, user: ID, password_hash: String, with: ID) -> FieldResult<ID> {
+        let user = id_to_uuid(&user)?.to_simple();
+        let chat_partner = id_to_uuid(&with)?.to_simple();
+        // Sort users
+        let users = BTreeSet::from_iter([user, chat_partner]);
+
+        // User authentication
+        let authentication_successful = sqlx::query(format!(
+            r#"SELECT users.id FROM users, security_preferences WHERE users.id = "{}" AND password_hash = "{}""#,
+            user,
+            password_hash,
+        ).as_str()).fetch_optional(&context.db).await?.is_some();
+        if !authentication_successful {
+            return Err("authentication failed".into());
+        }
+
+        // Chat partner needs to be another user (for now)
+        if user == chat_partner {
+            return Err("chat partner is the same user".into());
+        }
+
+        // Chat partner must exist
+        let chat_partner_exists = sqlx::query(
+            format!(r#"SELECT id FROM users WHERE id = "{}""#, chat_partner).as_str()
+        ).fetch_optional(&context.db).await?.is_some();
+        if !chat_partner_exists {
+            return Err(format!(r#"chat partner "{}" does not exist on this server"#, chat_partner).into());
+        }
+
+        // non-group chats must be unique
+        let chat_already_exists = sqlx::query(format!(
+            r#"SELECT id FROM chat_index WHERE is_group_chat = 0 AND users = "{}""#,
+            format_array_for_sql(&users),
+        ).as_str()).fetch_optional(&context.db).await?.is_some();
+        if chat_already_exists {
+            return Err("a personal chat with this chat partner already exists".into());
+        }
+
+        // create new personal chat
+        let chat_uuid = Uuid::new_v4();
+        sqlx::query(format!(
+            r#"INSERT INTO chat_index VALUES ("{}", 0, "{}", NULL, "{1}")"#,
+            chat_uuid.to_simple(),
+            format_array_for_sql(users),
+        ).as_str()).execute(&context.db).await?;
+        crate::sqlite::create_chat(&context.db, &chat_uuid).await?;
+
+        Ok(chat_uuid.to_simple().to_string().into())
+    }
 }
 
 pub type Schema<'root_node> = RootNode<'root_node, Query, Mutation, EmptySubscription<Context>>;