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Re-implement user relationships.

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This commit is contained in:
Paul Makles
2020-12-29 16:32:22 +00:00
parent 84d09db9b3
commit c704f13d72
14 changed files with 436 additions and 157 deletions
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124
Cargo.lock generated
View File

@@ -15,12 +15,6 @@ version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
[[package]]
name = "ahash"
version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "739f4a8db6605981345c5654f3a85b056ce52f37a39d34da03f25bf2151ea16e"
[[package]]
name = "aho-corasick"
version = "0.7.15"
@@ -245,18 +239,6 @@ version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
[[package]]
name = "bcrypt"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2cab630912253fb9dc92c0e2fabd0a7b51f5a5a4007177cfa31e517015b7204"
dependencies = [
"base64 0.12.3",
"blowfish",
"byteorder",
"getrandom",
]
[[package]]
name = "binascii"
version = "0.1.4"
@@ -319,15 +301,6 @@ dependencies = [
"generic-array 0.14.4",
]
[[package]]
name = "block-cipher"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f337a3e6da609650eb74e02bc9fac7b735049f7623ab12f2e4c719316fcc7e80"
dependencies = [
"generic-array 0.14.4",
]
[[package]]
name = "block-padding"
version = "0.1.5"
@@ -351,17 +324,6 @@ dependencies = [
"once_cell",
]
[[package]]
name = "blowfish"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0f06850ba969bc59388b2cc0a4f186fc6d9d37208863b15b84ae3866ac90ac06"
dependencies = [
"block-cipher",
"byteorder",
"opaque-debug 0.3.0",
]
[[package]]
name = "bson"
version = "1.1.0"
@@ -396,16 +358,6 @@ version = "1.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
[[package]]
name = "bytes"
version = "0.4.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "206fdffcfa2df7cbe15601ef46c813fce0965eb3286db6b56c583b814b51c81c"
dependencies = [
"byteorder",
"iovec",
]
[[package]]
name = "bytes"
version = "0.5.6"
@@ -985,7 +937,7 @@ version = "0.2.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5e4728fd124914ad25e99e3d15a9361a879f6620f63cb56bbb08f95abb97a535"
dependencies = [
"bytes 0.5.6",
"bytes",
"fnv",
"futures-core",
"futures-sink",
@@ -1004,9 +956,6 @@ name = "hashbrown"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
dependencies = [
"ahash",
]
[[package]]
name = "heck"
@@ -1073,7 +1022,7 @@ version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "84129d298a6d57d246960ff8eb831ca4af3f96d29e2e28848dae275408658e26"
dependencies = [
"bytes 0.5.6",
"bytes",
"fnv",
"itoa",
]
@@ -1084,7 +1033,7 @@ version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
dependencies = [
"bytes 0.5.6",
"bytes",
"http",
]
@@ -1115,7 +1064,7 @@ version = "0.13.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6ad767baac13b44d4529fcf58ba2cd0995e36e7b435bc5b039de6f47e880dbf"
dependencies = [
"bytes 0.5.6",
"bytes",
"futures-channel",
"futures-core",
"futures-util",
@@ -1139,7 +1088,7 @@ version = "0.21.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "37743cc83e8ee85eacfce90f2f4102030d9ff0a95244098d781e9bee4a90abb6"
dependencies = [
"bytes 0.5.6",
"bytes",
"futures-util",
"hyper",
"log",
@@ -1155,7 +1104,7 @@ version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d979acc56dcb5b8dddba3917601745e877576475aa046df3226eabdecef78eed"
dependencies = [
"bytes 0.5.6",
"bytes",
"hyper",
"native-tls",
"tokio",
@@ -1169,7 +1118,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2adce67e2c21cd95288ae3d9f2bbb2762cf17c03744628d49679f315ed1e2e58"
dependencies = [
"base64 0.13.0",
"bytes 0.5.6",
"bytes",
"http",
"httparse",
"httpdate",
@@ -1231,7 +1180,7 @@ version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "19a8a95243d5a0398cae618ec29477c6e3cb631152be5c19481f80bc71559754"
dependencies = [
"bytes 0.5.6",
"bytes",
]
[[package]]
@@ -1322,12 +1271,6 @@ version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
name = "lazycell"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
[[package]]
name = "lettre"
version = "0.10.0-alpha.4"
@@ -1390,15 +1333,6 @@ dependencies = [
"cfg-if 0.1.10",
]
[[package]]
name = "lru"
version = "0.6.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3aae342b73d57ad0b8b364bd12584819f2c1fe9114285dfcf8b0722607671635"
dependencies = [
"hashbrown",
]
[[package]]
name = "lru-cache"
version = "0.1.2"
@@ -1488,18 +1422,6 @@ dependencies = [
"winapi 0.2.8",
]
[[package]]
name = "mio-extras"
version = "2.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "52403fe290012ce777c4626790c8951324a2b9e3316b3143779c72b029742f19"
dependencies = [
"lazycell",
"log",
"mio",
"slab",
]
[[package]]
name = "mio-uds"
version = "0.6.8"
@@ -2295,7 +2217,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0718f81a8e14c4dbb3b34cf23dc6aaf9ab8a0dfec160c534b3dbca1aaa21f47c"
dependencies = [
"base64 0.13.0",
"bytes 0.5.6",
"bytes",
"encoding_rs",
"futures-core",
"futures-util",
@@ -2344,7 +2266,6 @@ version = "0.3.0-alpha"
dependencies = [
"async-std",
"async-tungstenite",
"bcrypt",
"bitfield",
"chrono",
"ctrlc",
@@ -2356,13 +2277,13 @@ dependencies = [
"lazy_static",
"lettre",
"log",
"lru",
"many-to-many",
"mongodb",
"num_enum",
"once_cell",
"rand 0.7.3",
"rauth",
"regex",
"reqwest",
"rocket",
"rocket_contrib",
@@ -2373,7 +2294,6 @@ dependencies = [
"time 0.2.23",
"ulid",
"validator",
"ws",
]
[[package]]
@@ -3060,7 +2980,7 @@ version = "0.2.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "099837d3464c16a808060bb3f02263b412f6fafcb5d01c533d309985fbeebe48"
dependencies = [
"bytes 0.5.6",
"bytes",
"fnv",
"futures-core",
"iovec",
@@ -3128,7 +3048,7 @@ version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
dependencies = [
"bytes 0.5.6",
"bytes",
"futures-core",
"futures-sink",
"log",
@@ -3236,7 +3156,7 @@ checksum = "f0308d80d86700c5878b9ef6321f020f29b1bb9d5ff3cab25e75e23f3a492a23"
dependencies = [
"base64 0.12.3",
"byteorder",
"bytes 0.5.6",
"bytes",
"http",
"httparse",
"input_buffer",
@@ -3648,24 +3568,6 @@ dependencies = [
"winapi 0.3.9",
]
[[package]]
name = "ws"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c51a2c47b5798ccc774ffb93ff536aec7c4275d722fd9c740c83cdd1af1f2d94"
dependencies = [
"byteorder",
"bytes 0.4.12",
"httparse",
"log",
"mio",
"mio-extras",
"rand 0.7.3",
"sha-1 0.8.2",
"slab",
"url",
]
[[package]]
name = "ws2_32-sys"
version = "0.2.1"

4
Cargo.toml
View File

@@ -35,11 +35,9 @@ reqwest = { version = "0.10.8", features = ["json"] }
lazy_static = "1.4.0"
num_enum = "0.5.1"
chrono = "0.4.15"
bcrypt = "0.8.2"
time = "0.2.16"
rand = "0.7.3"
lru = "0.6.0"
ws = "0.9.1"
regex = "1"
lettre = "0.10.0-alpha.1"
env_logger = "0.7.1"

20
src/database/entities/user.rs
View File

@@ -2,14 +2,26 @@ use mongodb::bson::{doc, from_bson, Bson};
use rauth::auth::Session;
use rocket::http::Status;
use serde::{Deserialize, Serialize};
use crate::database::guards::reference::Ref;
use crate::database::get_collection;
use rocket::request::{self, FromRequest, Outcome, Request};
#[derive(Serialize, Deserialize, Debug, Clone)]
pub enum RelationshipStatus {
None,
User,
Friend,
Outgoing,
Incoming,
Blocked,
BlockedOther
}
#[derive(Serialize, Deserialize, Debug)]
pub struct Relationship {
#[serde(rename = "_id")]
pub id: String,
pub status: u8,
pub status: RelationshipStatus,
}
#[derive(Serialize, Deserialize, Debug)]
@@ -47,3 +59,9 @@ impl<'a, 'r> FromRequest<'a, 'r> for User {
}
}
}
impl User {
pub fn as_ref(&self) -> Ref {
Ref { id: self.id.to_string() }
}
}

4
src/database/guards/reference.rs
View File

@@ -18,11 +18,11 @@ impl Ref {
Ok(Ref { id })
}
pub async fn fetch_user(self) -> Result<User> {
pub async fn fetch_user(&self) -> Result<User> {
let doc = get_collection("users")
.find_one(
doc! {
"_id": self.id
"_id": &self.id
},
None
)

19
src/database/permissions/mod.rs
View File

@@ -30,3 +30,22 @@ pub async fn temp_calc_perm(_user: &User, _target: &User) -> UserPermissions<[u3
UserPermissions([UserPermission::Access + UserPermission::SendMessage + UserPermission::Invite])
}
use crate::database::entities::RelationshipStatus;
use crate::database::guards::reference::Ref;
pub fn get_relationship(a: &User, b: &Ref) -> RelationshipStatus {
if a.id == b.id {
return RelationshipStatus::Friend;
}
if let Some(relations) = &a.relations {
if let Some(relationship) = relations
.iter()
.find(|x| x.id == b.id) {
return relationship.status.clone();
}
}
RelationshipStatus::None
}

7
src/routes/onboard/complete.rs
View File

@@ -7,10 +7,15 @@ use rocket_contrib::json::Json;
use rauth::auth::Session;
use validator::Validate;
use mongodb::bson::doc;
use regex::Regex;
lazy_static! {
static ref RE_USERNAME: Regex = Regex::new(r"^[a-zA-Z0-9-_]+$").unwrap();
}
#[derive(Validate, Serialize, Deserialize)]
pub struct Data {
#[validate(length(min = 2, max = 32))]
#[validate(length(min = 2, max = 32), regex = "RE_USERNAME")]
username: String
}

84
src/routes/users/add_friend.rs Normal file
View File

@@ -0,0 +1,84 @@
use crate::{database::{entities::{User, RelationshipStatus}, get_collection, guards::reference::Ref, permissions::get_relationship}, util::result::Error};
use rocket_contrib::json::JsonValue;
use crate::util::result::Result;
use mongodb::bson::doc;
use futures::try_join;
#[put("/<target>/friend")]
pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
let col = get_collection("users");
match get_relationship(&user, &target) {
RelationshipStatus::User => return Err(Error::NoEffect),
RelationshipStatus::Friend => return Err(Error::AlreadyFriends),
RelationshipStatus::Outgoing => return Err(Error::AlreadySentRequest),
RelationshipStatus::Blocked => return Err(Error::Blocked),
RelationshipStatus::BlockedOther => return Err(Error::BlockedByOther),
RelationshipStatus::Incoming => {
match try_join!(
col.update_one(
doc! {
"_id": &user.id,
"relations._id": &target.id
},
doc! {
"$set": {
"relations.$.status": "Friend"
}
},
None
),
col.update_one(
doc! {
"_id": &target.id,
"relations._id": &user.id
},
doc! {
"$set": {
"relations.$.status": "Friend"
}
},
None
)
) {
Ok(_) => Ok(json!({ "status": "Friend" })),
Err(_) => Err(Error::DatabaseError { operation: "update_one", with: "user" })
}
}
RelationshipStatus::None => {
match try_join!(
col.update_one(
doc! {
"_id": &user.id
},
doc! {
"$push": {
"relations": {
"_id": &target.id,
"status": "Outgoing"
}
}
},
None
),
col.update_one(
doc! {
"_id": &target.id
},
doc! {
"$push": {
"relations": {
"_id": &user.id,
"status": "Incoming"
}
}
},
None
)
) {
Ok(_) => Ok(json!({ "status": "Outgoing" })),
Err(_) => Err(Error::DatabaseError { operation: "update_one", with: "user" })
}
}
}
}

101
src/routes/users/block_user.rs Normal file
View File

@@ -0,0 +1,101 @@
use crate::{database::entities::RelationshipStatus, database::guards::reference::Ref, database::entities::User, database::permissions::get_relationship, util::result::Error, database::get_collection};
use rocket_contrib::json::JsonValue;
use crate::util::result::Result;
use mongodb::bson::doc;
use futures::try_join;
#[put("/<target>/block")]
pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
let col = get_collection("users");
match get_relationship(&user, &target) {
RelationshipStatus::User |
RelationshipStatus::Blocked => Err(Error::NoEffect),
RelationshipStatus::BlockedOther => {
col.update_one(
doc! {
"_id": &user.id,
"relations._id": &target.id
},
doc! {
"$set": {
"relations.$.status": "Blocked"
}
},
None
)
.await
.map_err(|_| Error::DatabaseError { operation: "update_one", with: "user" })?;
Ok(json!({ "status": "Blocked" }))
},
RelationshipStatus::None => {
match try_join!(
col.update_one(
doc! {
"_id": &user.id
},
doc! {
"$push": {
"relations": {
"_id": &target.id,
"status": "Blocked"
}
}
},
None
),
col.update_one(
doc! {
"_id": &target.id
},
doc! {
"$push": {
"relations": {
"_id": &user.id,
"status": "BlockedOther"
}
}
},
None
)
) {
Ok(_) => Ok(json!({ "status": "Blocked" })),
Err(_) => Err(Error::DatabaseError { operation: "update_one", with: "user" })
}
},
RelationshipStatus::Friend |
RelationshipStatus::Incoming |
RelationshipStatus::Outgoing => {
match try_join!(
col.update_one(
doc! {
"_id": &user.id,
"relations._id": &target.id
},
doc! {
"$set": {
"relations.$.status": "Blocked"
}
},
None
),
col.update_one(
doc! {
"_id": &target.id,
"relations._id": &user.id
},
doc! {
"$set": {
"relations.$.status": "BlockedOther"
}
},
None
)
) {
Ok(_) => Ok(json!({ "status": "Blocked" })),
Err(_) => Err(Error::DatabaseError { operation: "update_one", with: "user" })
}
}
}
}

10
src/routes/users/fetch_relationship.rs Normal file
View File

@@ -0,0 +1,10 @@
use crate::database::{entities::User, guards::reference::Ref, permissions::get_relationship};
use rocket_contrib::json::JsonValue;
use crate::util::result::Result;
#[get("/<target>/relationship")]
pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
Ok(json!({
"status": get_relationship(&user, &target)
}))
}

14
src/routes/users/fetch_relationships.rs Normal file
View File

@@ -0,0 +1,14 @@
use crate::database::entities::User;
use rocket_contrib::json::JsonValue;
use crate::util::result::Result;
#[get("/relationships")]
pub async fn req(user: User) -> Result<JsonValue> {
Ok(
if let Some(vec) = user.relations {
json!(vec)
} else {
json!([])
}
)
}

17
src/routes/users/mod.rs
View File

@@ -3,11 +3,28 @@ use rocket::Route;
mod fetch_user;
mod fetch_dms;
mod open_dm;
mod fetch_relationships;
mod fetch_relationship;
mod add_friend;
mod remove_friend;
mod block_user;
mod unblock_user;
pub fn routes() -> Vec<Route> {
routes! [
// User Information
fetch_user::req,
// Direct Messaging
fetch_dms::req,
open_dm::req,
// Relationships
fetch_relationships::req,
fetch_relationship::req,
add_friend::req,
remove_friend::req,
block_user::req,
unblock_user::req,
]
}

52
src/routes/users/remove_friend.rs Normal file
View File

@@ -0,0 +1,52 @@
use crate::{database::entities::RelationshipStatus, database::guards::reference::Ref, database::entities::User, database::permissions::get_relationship, util::result::Error, database::get_collection};
use rocket_contrib::json::JsonValue;
use crate::util::result::Result;
use mongodb::bson::doc;
use futures::try_join;
#[delete("/<target>/friend")]
pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
let col = get_collection("users");
match get_relationship(&user, &target) {
RelationshipStatus::Blocked |
RelationshipStatus::BlockedOther |
RelationshipStatus::User |
RelationshipStatus::None => Err(Error::NoEffect),
RelationshipStatus::Friend |
RelationshipStatus::Outgoing |
RelationshipStatus::Incoming => {
match try_join!(
col.update_one(
doc! {
"_id": &user.id
},
doc! {
"$pull": {
"relations": {
"_id": &target.id
}
}
},
None
),
col.update_one(
doc! {
"_id": &target.id
},
doc! {
"$pull": {
"relations": {
"_id": &user.id
}
}
},
None
)
) {
Ok(_) => Ok(json!({ "status": "None" })),
Err(_) => Err(Error::DatabaseError { operation: "update_one", with: "user" })
}
}
}
}

75
src/routes/users/unblock_user.rs Normal file
View File

@@ -0,0 +1,75 @@
use crate::{database::entities::RelationshipStatus, database::guards::reference::Ref, database::entities::User, database::permissions::get_relationship, util::result::Error, database::get_collection};
use rocket_contrib::json::JsonValue;
use crate::util::result::Result;
use mongodb::bson::doc;
use futures::try_join;
#[delete("/<target>/block")]
pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
let col = get_collection("users");
match get_relationship(&user, &target) {
RelationshipStatus::None |
RelationshipStatus::User |
RelationshipStatus::BlockedOther |
RelationshipStatus::Incoming |
RelationshipStatus::Outgoing |
RelationshipStatus::Friend => Err(Error::NoEffect),
RelationshipStatus::Blocked => {
match get_relationship(&target.fetch_user().await?, &user.as_ref()) {
RelationshipStatus::Blocked => {
col.update_one(
doc! {
"_id": &user.id,
"relations._id": &target.id
},
doc! {
"$set": {
"relations.$.status": "BlockedOther"
}
},
None
)
.await
.map_err(|_| Error::DatabaseError { operation: "update_one", with: "user" })?;
Ok(json!({ "status": "BlockedOther" }))
},
RelationshipStatus::BlockedOther => {
match try_join!(
col.update_one(
doc! {
"_id": &user.id
},
doc! {
"$pull": {
"relations": {
"_id": &target.id
}
}
},
None
),
col.update_one(
doc! {
"_id": &target.id
},
doc! {
"$pull": {
"relations": {
"_id": &user.id
}
}
},
None
)
) {
Ok(_) => Ok(json!({ "status": "None" })),
Err(_) => Err(Error::DatabaseError { operation: "update_one", with: "user" })
}
},
_ => Err(Error::InternalError)
}
}
}
}

62
src/util/result.rs
View File

@@ -11,60 +11,35 @@ use json;
#[serde(tag = "type")]
pub enum Error {
#[snafu(display("This error has not been labelled."))]
#[serde(rename = "unlabelled_error")]
LabelMe,
// ? Onboarding related errors.
#[snafu(display("Already finished onboarding."))]
#[serde(rename = "already_onboarded")]
AlreadyOnboarded,
// ? User related errors.
#[snafu(display("Username has already been taken."))]
#[serde(rename = "username_taken")]
UsernameTaken,
#[snafu(display("This user does not exist!"))]
#[serde(rename = "unknown_user")]
UnknownUser,
#[snafu(display("Already friends with this user."))]
AlreadyFriends,
#[snafu(display("Already sent a request to this user."))]
AlreadySentRequest,
#[snafu(display("You have blocked this user."))]
Blocked,
#[snafu(display("You have been blocked by this user."))]
BlockedByOther,
// ? General errors.
#[snafu(display("Failed to validate fields."))]
#[serde(rename = "failed_validation")]
FailedValidation { error: ValidationErrors },
#[snafu(display("Encountered a database error."))]
#[serde(rename = "database_error")]
DatabaseError { operation: &'static str, with: &'static str },
/* #[snafu(display("Failed to validate fields."))]
#[serde(rename = "failed_validation")]
FailedValidation { error: ValidationErrors },
#[snafu(display("Encountered a database error."))]
#[serde(rename = "database_error")]
DatabaseError,
#[snafu(display("Encountered an internal error."))]
#[serde(rename = "internal_error")]
#[snafu(display("Internal server error."))]
InternalError,
#[snafu(display("Operation did not succeed."))]
#[serde(rename = "operation_failed")]
OperationFailed,
#[snafu(display("Missing authentication headers."))]
#[serde(rename = "missing_headers")]
MissingHeaders,
#[snafu(display("Invalid session information."))]
#[serde(rename = "invalid_session")]
InvalidSession,
#[snafu(display("User account has not been verified."))]
#[serde(rename = "unverified_account")]
UnverifiedAccount,
#[snafu(display("This user does not exist!"))]
#[serde(rename = "unknown_user")]
UnknownUser,
#[snafu(display("Email is use."))]
#[serde(rename = "email_in_use")]
EmailInUse,
#[snafu(display("Wrong password."))]
#[serde(rename = "wrong_password")]
WrongPassword, */
#[snafu(display("This request had no effect."))]
NoEffect,
}
pub type Result<T, E = Error> = std::result::Result<T, E>;
@@ -73,12 +48,21 @@ pub type Result<T, E = Error> = std::result::Result<T, E>;
impl<'r> Responder<'r, 'static> for Error {
fn respond_to(self, _: &'r Request<'_>) -> response::Result<'static> {
let status = match self {
Error::AlreadyOnboarded => Status::Forbidden,
Error::DatabaseError { .. } => Status::InternalServerError,
Error::FailedValidation { .. } => Status::UnprocessableEntity,
Error::LabelMe => Status::InternalServerError,
Error::AlreadyOnboarded => Status::Forbidden,
Error::UnknownUser => Status::NotFound,
Error::UsernameTaken => Status::Conflict,
Error::AlreadyFriends => Status::Conflict,
Error::AlreadySentRequest => Status::Conflict,
Error::Blocked => Status::Conflict,
Error::BlockedByOther => Status::Forbidden,
Error::FailedValidation { .. } => Status::UnprocessableEntity,
Error::DatabaseError { .. } => Status::InternalServerError,
Error::InternalError => Status::InternalServerError,
Error::NoEffect => Status::Ok,
};
// Serialize the error data structure into JSON.