├── .github └── workflows │ └── test.yml ├── .gitignore ├── Dockerfile ├── LICENSE ├── README.md ├── diesel.toml ├── docker-compose.yml ├── gleam.toml ├── heroku.yml ├── migrations ├── .gitkeep ├── 00000000000000_diesel_initial_setup │ ├── down.sql │ └── up.sql └── 2020-04-29-102959_create_posts │ ├── down.sql │ └── up.sql ├── rebar.config ├── rebar.lock ├── src ├── hello_world.app.src ├── hello_world │ ├── application.gleam │ ├── blog │ │ └── post.gleam │ ├── config.gleam │ ├── db │ │ ├── client.gleam │ │ └── query.gleam │ └── web │ │ ├── endpoint.gleam │ │ └── router.gleam └── schema.rs ├── test └── hello_world_test.gleam └── watch.sh /.github/workflows/test.yml: -------------------------------------------------------------------------------- 1 | name: test 2 | 3 | on: 4 | push: 5 | branches: 6 | - master 7 | pull_request: 8 | 9 | jobs: 10 | test: 11 | runs-on: ubuntu-latest 12 | steps: 13 | - uses: actions/checkout@v2.0.0 14 | - uses: gleam-lang/setup-erlang@v1.0.0 15 | with: 16 | otp-version: 22.1 17 | - uses: gleam-lang/setup-gleam@v1.0.1 18 | with: 19 | gleam-version: 0.8.0-rc1 20 | - run: rebar3 install_deps 21 | - run: rebar3 eunit 22 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.beam 2 | *.iml 3 | *.o 4 | *.plt 5 | *.swo 6 | *.swp 7 | *~ 8 | .erlang.cookie 9 | .eunit 10 | .idea 11 | .rebar 12 | .rebar3 13 | _* 14 | _build 15 | ebin 16 | erl_crash.dump 17 | gen 18 | log 19 | logs 20 | rebar3.crashdump 21 | -------------------------------------------------------------------------------- /Dockerfile: -------------------------------------------------------------------------------- 1 | FROM gleamlang/midas 2 | 3 | RUN apt-get update && apt-get install -y inotify-tools 4 | 5 | COPY . . 6 | 7 | # Done so generated files are available to heroku run bash 8 | RUN rebar3 upgrade && rebar3 release 9 | CMD ["_build/default/rel/hello_world/bin/hello_world","foreground"] 10 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. For the purposes of this definition, 18 | "control" means (i) the power, direct or indirect, to cause the 19 | direction or management of such entity, whether by contract or 20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 21 | outstanding shares, or (iii) beneficial ownership of such entity. 22 | 23 | "You" (or "Your") shall mean an individual or Legal Entity 24 | exercising permissions granted by this License. 25 | 26 | "Source" form shall mean the preferred form for making modifications, 27 | including but not limited to software source code, documentation 28 | source, and configuration files. 29 | 30 | "Object" form shall mean any form resulting from mechanical 31 | transformation or translation of a Source form, including but 32 | not limited to compiled object code, generated documentation, 33 | and conversions to other media types. 34 | 35 | "Work" shall mean the work of authorship, whether in Source or 36 | Object form, made available under the License, as indicated by a 37 | copyright notice that is included in or attached to the work 38 | (an example is provided in the Appendix below). 39 | 40 | "Derivative Works" shall mean any work, whether in Source or Object 41 | form, that is based on (or derived from) the Work and for which the 42 | editorial revisions, annotations, elaborations, or other modifications 43 | represent, as a whole, an original work of authorship. For the purposes 44 | of this License, Derivative Works shall not include works that remain 45 | separable from, or merely link (or bind by name) to the interfaces of, 46 | the Work and Derivative Works thereof. 47 | 48 | "Contribution" shall mean any work of authorship, including 49 | the original version of the Work and any modifications or additions 50 | to that Work or Derivative Works thereof, that is intentionally 51 | submitted to Licensor for inclusion in the Work by the copyright owner 52 | or by an individual or Legal Entity authorized to submit on behalf of 53 | the copyright owner. For the purposes of this definition, "submitted" 54 | means any form of electronic, verbal, or written communication sent 55 | to the Licensor or its representatives, including but not limited to 56 | communication on electronic mailing lists, source code control systems, 57 | and issue tracking systems that are managed by, or on behalf of, the 58 | Licensor for the purpose of discussing and improving the Work, but 59 | excluding communication that is conspicuously marked or otherwise 60 | designated in writing by the copyright owner as "Not a Contribution." 61 | 62 | "Contributor" shall mean Licensor and any individual or Legal Entity 63 | on behalf of whom a Contribution has been received by Licensor and 64 | subsequently incorporated within the Work. 65 | 66 | 2. Grant of Copyright License. Subject to the terms and conditions of 67 | this License, each Contributor hereby grants to You a perpetual, 68 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 69 | copyright license to reproduce, prepare Derivative Works of, 70 | publicly display, publicly perform, sublicense, and distribute the 71 | Work and such Derivative Works in Source or Object form. 72 | 73 | 3. Grant of Patent License. Subject to the terms and conditions of 74 | this License, each Contributor hereby grants to You a perpetual, 75 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 76 | (except as stated in this section) patent license to make, have made, 77 | use, offer to sell, sell, import, and otherwise transfer the Work, 78 | where such license applies only to those patent claims licensable 79 | by such Contributor that are necessarily infringed by their 80 | Contribution(s) alone or by combination of their Contribution(s) 81 | with the Work to which such Contribution(s) was submitted. If You 82 | institute patent litigation against any entity (including a 83 | cross-claim or counterclaim in a lawsuit) alleging that the Work 84 | or a Contribution incorporated within the Work constitutes direct 85 | or contributory patent infringement, then any patent licenses 86 | granted to You under this License for that Work shall terminate 87 | as of the date such litigation is filed. 88 | 89 | 4. Redistribution. You may reproduce and distribute copies of the 90 | Work or Derivative Works thereof in any medium, with or without 91 | modifications, and in Source or Object form, provided that You 92 | meet the following conditions: 93 | 94 | (a) You must give any other recipients of the Work or 95 | Derivative Works a copy of this License; and 96 | 97 | (b) You must cause any modified files to carry prominent notices 98 | stating that You changed the files; and 99 | 100 | (c) You must retain, in the Source form of any Derivative Works 101 | that You distribute, all copyright, patent, trademark, and 102 | attribution notices from the Source form of the Work, 103 | excluding those notices that do not pertain to any part of 104 | the Derivative Works; and 105 | 106 | (d) If the Work includes a "NOTICE" text file as part of its 107 | distribution, then any Derivative Works that You distribute must 108 | include a readable copy of the attribution notices contained 109 | within such NOTICE file, excluding those notices that do not 110 | pertain to any part of the Derivative Works, in at least one 111 | of the following places: within a NOTICE text file distributed 112 | as part of the Derivative Works; within the Source form or 113 | documentation, if provided along with the Derivative Works; or, 114 | within a display generated by the Derivative Works, if and 115 | wherever such third-party notices normally appear. The contents 116 | of the NOTICE file are for informational purposes only and 117 | do not modify the License. You may add Your own attribution 118 | notices within Derivative Works that You distribute, alongside 119 | or as an addendum to the NOTICE text from the Work, provided 120 | that such additional attribution notices cannot be construed 121 | as modifying the License. 122 | 123 | You may add Your own copyright statement to Your modifications and 124 | may provide additional or different license terms and conditions 125 | for use, reproduction, or distribution of Your modifications, or 126 | for any such Derivative Works as a whole, provided Your use, 127 | reproduction, and distribution of the Work otherwise complies with 128 | the conditions stated in this License. 129 | 130 | 5. Submission of Contributions. Unless You explicitly state otherwise, 131 | any Contribution intentionally submitted for inclusion in the Work 132 | by You to the Licensor shall be under the terms and conditions of 133 | this License, without any additional terms or conditions. 134 | Notwithstanding the above, nothing herein shall supersede or modify 135 | the terms of any separate license agreement you may have executed 136 | with Licensor regarding such Contributions. 137 | 138 | 6. Trademarks. This License does not grant permission to use the trade 139 | names, trademarks, service marks, or product names of the Licensor, 140 | except as required for reasonable and customary use in describing the 141 | origin of the Work and reproducing the content of the NOTICE file. 142 | 143 | 7. Disclaimer of Warranty. Unless required by applicable law or 144 | agreed to in writing, Licensor provides the Work (and each 145 | Contributor provides its Contributions) on an "AS IS" BASIS, 146 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 147 | implied, including, without limitation, any warranties or conditions 148 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 149 | PARTICULAR PURPOSE. You are solely responsible for determining the 150 | appropriateness of using or redistributing the Work and assume any 151 | risks associated with Your exercise of permissions under this License. 152 | 153 | 8. Limitation of Liability. In no event and under no legal theory, 154 | whether in tort (including negligence), contract, or otherwise, 155 | unless required by applicable law (such as deliberate and grossly 156 | negligent acts) or agreed to in writing, shall any Contributor be 157 | liable to You for damages, including any direct, indirect, special, 158 | incidental, or consequential damages of any character arising as a 159 | result of this License or out of the use or inability to use the 160 | Work (including but not limited to damages for loss of goodwill, 161 | work stoppage, computer failure or malfunction, or any and all 162 | other commercial damages or losses), even if such Contributor 163 | has been advised of the possibility of such damages. 164 | 165 | 9. Accepting Warranty or Additional Liability. While redistributing 166 | the Work or Derivative Works thereof, You may choose to offer, 167 | and charge a fee for, acceptance of support, warranty, indemnity, 168 | or other liability obligations and/or rights consistent with this 169 | License. However, in accepting such obligations, You may act only 170 | on Your own behalf and on Your sole responsibility, not on behalf 171 | of any other Contributor, and only if You agree to indemnify, 172 | defend, and hold each Contributor harmless for any liability 173 | incurred by, or claims asserted against, such Contributor by reason 174 | of your accepting any such warranty or additional liability. 175 | 176 | END OF TERMS AND CONDITIONS 177 | 178 | Copyright {{copyright_year}}, {{author_name}} <{{author_email}}>. 179 | 180 | Licensed under the Apache License, Version 2.0 (the "License"); 181 | you may not use this file except in compliance with the License. 182 | You may obtain a copy of the License at 183 | 184 | http://www.apache.org/licenses/LICENSE-2.0 185 | 186 | Unless required by applicable law or agreed to in writing, software 187 | distributed under the License is distributed on an "AS IS" BASIS, 188 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 189 | See the License for the specific language governing permissions and 190 | limitations under the License. 191 | 192 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # hello_world 2 | 3 | A Midas/Gleam project template 4 | 5 | ## Quick start 6 | 7 | ```sh 8 | # Build the project 9 | rebar3 compile 10 | 11 | # Run the eunit tests 12 | rebar3 eunit 13 | 14 | # Run the Erlang REPL 15 | rebar3 shell 16 | ``` 17 | -------------------------------------------------------------------------------- /diesel.toml: -------------------------------------------------------------------------------- 1 | # For documentation on how to configure this file, 2 | # see diesel.rs/guides/configuring-diesel-cli 3 | 4 | [print_schema] 5 | file = "src/schema.rs" 6 | -------------------------------------------------------------------------------- /docker-compose.yml: -------------------------------------------------------------------------------- 1 | version: "3" 2 | 3 | volumes: 4 | # TODO reinstate gen dir 5 | # gen: 6 | _build: 7 | services: 8 | app: 9 | build: 10 | context: . 11 | dockerfile: Dockerfile 12 | depends_on: 13 | - db 14 | volumes: 15 | - .:/opt/app 16 | # - gen:/opt/app/gen 17 | - _build:/opt/app/_build 18 | environment: 19 | - DATABASE_URL=postgres://postgres:postgres@127.0.0.1:5432/postgres 20 | network_mode: host 21 | # command: bash -c "rebar3 release && _build/default/rel/hello_world/bin/hello_world foreground" 22 | command: ./watch.sh 23 | # TODO remove these options, a) move to docker image b) investigate rebar 24 | # https://gist.github.com/tsloughter/87bd86c19b3f805240b5682fbfe3501e 25 | # tty: true 26 | # stdin_open: true 27 | 28 | db: 29 | image: "postgres:12.2" 30 | environment: 31 | - POSTGRES_USER=postgres 32 | - POSTGRES_PASSWORD=postgres 33 | - POSTGRES_DB=postgres 34 | network_mode: host 35 | -------------------------------------------------------------------------------- /gleam.toml: -------------------------------------------------------------------------------- 1 | name = "hello_world" 2 | -------------------------------------------------------------------------------- /heroku.yml: -------------------------------------------------------------------------------- 1 | build: 2 | docker: 3 | web: Dockerfile 4 | # Takes an age to build 5 | # release: migration.Dockerfile 6 | # release: 7 | # # Could just make running the migrations part of default CMD in image 8 | # image: web 9 | # command: 10 | # - diesel migration run 11 | -------------------------------------------------------------------------------- /migrations/.gitkeep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/midas-framework/template/70afafe70e7008ceb60d472d848f37346c6409d8/migrations/.gitkeep -------------------------------------------------------------------------------- /migrations/00000000000000_diesel_initial_setup/down.sql: -------------------------------------------------------------------------------- 1 | -- This file was automatically created by Diesel to setup helper functions 2 | -- and other internal bookkeeping. This file is safe to edit, any future 3 | -- changes will be added to existing projects as new migrations. 4 | 5 | DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass); 6 | DROP FUNCTION IF EXISTS diesel_set_updated_at(); 7 | -------------------------------------------------------------------------------- /migrations/00000000000000_diesel_initial_setup/up.sql: -------------------------------------------------------------------------------- 1 | -- This file was automatically created by Diesel to setup helper functions 2 | -- and other internal bookkeeping. This file is safe to edit, any future 3 | -- changes will be added to existing projects as new migrations. 4 | 5 | 6 | 7 | 8 | -- Sets up a trigger for the given table to automatically set a column called 9 | -- `updated_at` whenever the row is modified (unless `updated_at` was included 10 | -- in the modified columns) 11 | -- 12 | -- # Example 13 | -- 14 | -- ```sql 15 | -- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW()); 16 | -- 17 | -- SELECT diesel_manage_updated_at('users'); 18 | -- ``` 19 | CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$ 20 | BEGIN 21 | EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s 22 | FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl); 23 | END; 24 | $$ LANGUAGE plpgsql; 25 | 26 | CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$ 27 | BEGIN 28 | IF ( 29 | NEW IS DISTINCT FROM OLD AND 30 | NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at 31 | ) THEN 32 | NEW.updated_at := current_timestamp; 33 | END IF; 34 | RETURN NEW; 35 | END; 36 | $$ LANGUAGE plpgsql; 37 | -------------------------------------------------------------------------------- /migrations/2020-04-29-102959_create_posts/down.sql: -------------------------------------------------------------------------------- 1 | DROP TABLE posts 2 | -------------------------------------------------------------------------------- /migrations/2020-04-29-102959_create_posts/up.sql: -------------------------------------------------------------------------------- 1 | CREATE TABLE posts ( 2 | id SERIAL PRIMARY KEY, 3 | title VARCHAR NOT NULL, 4 | body TEXT NOT NULL, 5 | published BOOLEAN NOT NULL DEFAULT 'f', 6 | updated_at TIMESTAMP NOT NULL DEFAULT NOW() 7 | ); 8 | 9 | SELECT diesel_manage_updated_at('posts'); 10 | -------------------------------------------------------------------------------- /rebar.config: -------------------------------------------------------------------------------- 1 | {erl_opts, [debug_info]}. 2 | {src_dirs, ["src", "gen/src"]}. 3 | 4 | {profiles, [ 5 | {test, [{src_dirs, ["src", "test", "gen/src", "gen/test"]}]} 6 | ]}. 7 | 8 | {shell, [ 9 | % {config, "config/sys.config"}, 10 | {apps, [hello_world]} 11 | ]}. 12 | 13 | 14 | % Not actually using rebar run but like it because release 15 | {project_plugins, [rebar_gleam, rebar3_run]}. 16 | 17 | {deps, [ 18 | {gleam_stdlib, "0.8.0"}, 19 | {midas, {git, "git://github.com/did-app/midas.git"}}, 20 | {pgo, "0.11.0"} 21 | ]}. 22 | 23 | % Maybe rename release name app, rather than hello_world 24 | {relx, [{release, {hello_world, "0.1.0"}, 25 | [hello_world, 26 | sasl]}, 27 | 28 | {dev_mode, true}, 29 | {include_erts, false}, 30 | 31 | {extended_start_script, true}] 32 | }. 33 | -------------------------------------------------------------------------------- /rebar.lock: -------------------------------------------------------------------------------- 1 | {"1.1.0", 2 | [{<<"backoff">>,{pkg,<<"backoff">>,<<"1.1.6">>},1}, 3 | {<<"gleam_stdlib">>,{pkg,<<"gleam_stdlib">>,<<"0.8.0">>},0}, 4 | {<<"midas">>, 5 | {git,"git://github.com/did-app/midas.git", 6 | {ref,"7d18cbb9d97642a06ccdfb5111914e36fcf16d8a"}}, 7 | 0}, 8 | {<<"pg_types">>,{pkg,<<"pg_types">>,<<"0.2.0">>},1}, 9 | {<<"pgo">>,{pkg,<<"pgo">>,<<"0.11.0">>},0}, 10 | {<<"telemetry">>,{pkg,<<"telemetry">>,<<"0.4.1">>},1}]}. 11 | [ 12 | {pkg_hash,[ 13 | {<<"backoff">>, <<"83B72ED2108BA1EE8F7D1C22E0B4A00CFE3593A67DBC792799E8CCE9F42F796B">>}, 14 | {<<"gleam_stdlib">>, <<"A2DA46A7F2A971DBD973B04596182C71EC03D7A2991B75DCE995D7D154018FA5">>}, 15 | {<<"pg_types">>, <<"B73A0409CB94183226547EDF10793F6B3AD00E098B8D70354EF3886C0F95F2F6">>}, 16 | {<<"pgo">>, <<"66D5608192BF36511F72696DCBB73A8C8D44210E17DDACD15C18F9511E49549B">>}, 17 | {<<"telemetry">>, <<"AE2718484892448A24470E6AA341BC847C3277BFB8D4E9289F7474D752C09C7F">>}]} 18 | ]. 19 | -------------------------------------------------------------------------------- /src/hello_world.app.src: -------------------------------------------------------------------------------- 1 | {application, hello_world, 2 | [{description, "A Gleam program"}, 3 | {vsn, "0.1.0"}, 4 | {registered, []}, 5 | {mod, {hello_world@application, []}}, 6 | {applications, 7 | [kernel, 8 | stdlib, 9 | pgo, 10 | midas, 11 | gleam_stdlib 12 | ]}, 13 | {env,[]}, 14 | {modules, []}, 15 | 16 | {licenses, ["Apache 2.0"]}, 17 | {links, []} 18 | ]}. 19 | -------------------------------------------------------------------------------- /src/hello_world/application.gleam: -------------------------------------------------------------------------------- 1 | import gleam/atom 2 | import process/supervisor/rest_for_one 3 | import hello_world/config 4 | import hello_world/web/endpoint 5 | import hello_world/db/client 6 | import midas_utils 7 | 8 | fn init() { 9 | let Ok(config) = config.from_env() 10 | 11 | // Be able to start server with ignore, if PORT not set. 12 | rest_for_one.Two( 13 | fn() { client.spawn_link(config) }, 14 | fn(_pool) { endpoint.spawn_link(config) }, 15 | ) 16 | } 17 | 18 | pub fn start(_start, _args) { 19 | Ok(rest_for_one.spawn_link(init)) 20 | } 21 | 22 | pub fn stop(_) { 23 | atom.create_from_string("ok") 24 | } 25 | -------------------------------------------------------------------------------- /src/hello_world/blog/post.gleam: -------------------------------------------------------------------------------- 1 | pub type Post { 2 | Post(id: Int, title: String) 3 | } 4 | -------------------------------------------------------------------------------- /src/hello_world/config.gleam: -------------------------------------------------------------------------------- 1 | import gleam/int 2 | import config/config.{get_env, required, optional} 3 | 4 | // Pull function from config for session config 5 | // everything should depend on config, config should not depend on libraries 6 | pub type Config { 7 | Config(port: Int, secret_key_base: String, database_url: String) 8 | } 9 | 10 | fn string(s) { 11 | Ok(s) 12 | } 13 | 14 | pub fn from_env() { 15 | let env = get_env() 16 | 17 | // let Ok(secret_key_base) = required(env, "SECRET_KEY_BASE", fn(x) { Ok(x) }) 18 | let port = optional(env, "PORT", int.parse, 8080) 19 | let Ok(database_url) = required(env, "DATABASE_URL", string) 20 | 21 | Ok( 22 | Config( 23 | port: port, 24 | secret_key_base: "secret_key_base", 25 | database_url: database_url, 26 | ), 27 | ) 28 | } 29 | -------------------------------------------------------------------------------- /src/hello_world/db/client.gleam: -------------------------------------------------------------------------------- 1 | import gleam/atom 2 | import gleam/atom.{Atom} 3 | import gleam/dynamic 4 | import gleam/dynamic.{Dynamic} 5 | import gleam/map.{Map} 6 | import midas/http 7 | import midas_utils 8 | import pg_client/pg_client 9 | import hello_world/config.{Config} 10 | 11 | external fn uri_parse(String) -> Map(Atom, Dynamic) = 12 | "uri_string" "parse" 13 | 14 | pub fn spawn_link(config) { 15 | let Config(database_url: database_url, ..) = config 16 | 17 | let Ok(pid) = pg_client.start_link(database_url) 18 | pid 19 | } 20 | -------------------------------------------------------------------------------- /src/hello_world/db/query.gleam: -------------------------------------------------------------------------------- 1 | import gleam/list 2 | import pg_client/pg_client 3 | import pg_client/pg_client.{PgInt, PgString, Select, Insert} 4 | import hello_world/db/client 5 | import hello_world/blog/post.{Post} 6 | 7 | // A list of types means you can't put bad things, like pids in there. 8 | // query string, params 9 | // repo.query("SELECT * FROM users WHERE id=$1", [1.]) 10 | pub fn insert_post(title: String, body: String) { 11 | let sql = "INSERT INTO posts (title, body) VALUES ($1, $2);" 12 | let args = [PgString(title), PgString(body)] 13 | let Ok(Insert(1, [])) = pg_client.query(sql, args) 14 | Ok(Nil) 15 | } 16 | 17 | pub fn list_posts() { 18 | let sql = "SELECT id, title FROM posts;" 19 | let args = [] 20 | let Ok(Select(1, rows)) = pg_client.query(sql, args) 21 | list.map( 22 | rows, 23 | fn(row) { 24 | let [PgInt(id), PgString(title)] = row 25 | Post(id, title) 26 | }, 27 | ) 28 | } 29 | -------------------------------------------------------------------------------- /src/hello_world/web/endpoint.gleam: -------------------------------------------------------------------------------- 1 | import midas 2 | import hello_world/config.{Config} 3 | import hello_world/web/router 4 | 5 | pub fn spawn_link(config) { 6 | let Config(port: port, ..) = config 7 | midas.spawn_link(router.handle_request(_, config), port) 8 | } 9 | -------------------------------------------------------------------------------- /src/hello_world/web/router.gleam: -------------------------------------------------------------------------------- 1 | import gleam/int 2 | import gleam/list 3 | import gleam/result 4 | import gleam/string 5 | import midas/http 6 | import midas/http.{Request, Response, Get, Post} 7 | 8 | external fn body_length(String) -> Int = 9 | "erlang" "iolist_size" 10 | 11 | pub fn handle_request(request, _config) { 12 | let Request( 13 | method: method, 14 | path: path, 15 | query: query, 16 | body: body, 17 | .., 18 | ) = request 19 | let segments = http.split_segments(path) 20 | let Ok(params) = http.parse_query(result.unwrap(query, "")) 21 | 22 | case method, segments { 23 | Get, [] -> { 24 | let name = params 25 | |> list.key_find(_, "name") 26 | |> result.unwrap(_, "World") 27 | 28 | Response( 29 | status: 200, 30 | headers: [tuple("content-type", "text/plain")], 31 | body: string.concat(["Hello, ", name, "!\r\n"]), 32 | ) 33 | } 34 | 35 | Get, ["posts", id] -> // Action to get a post by id 36 | todo 37 | 38 | Post, ["posts"] -> // Action to create a post 39 | todo 40 | 41 | _, _ -> Response( 42 | status: 404, 43 | headers: [ 44 | tuple("content-type", "text/plain"), 45 | tuple("content-length", "11"), 46 | ], 47 | body: "Nothing here.\r\n", 48 | ) 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /src/schema.rs: -------------------------------------------------------------------------------- 1 | table! { 2 | posts (id) { 3 | id -> Int4, 4 | title -> Varchar, 5 | body -> Text, 6 | published -> Bool, 7 | updated_at -> Timestamp, 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /test/hello_world_test.gleam: -------------------------------------------------------------------------------- 1 | import gleam/should 2 | 3 | pub fn syntax_test() { 4 | // NOTE about list destructuring 5 | let [x] = [5] 6 | should.equal(x, 5) 7 | } 8 | -------------------------------------------------------------------------------- /watch.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # alternative 3 | # https://github.com/watchexec/watchexec/releases 4 | _build/default/rel/hello_world/bin/hello_world start 5 | 6 | inotifywait -r -m -e modify -e create -e delete src | 7 | while read path _ file; do 8 | rebar3 release 9 | _build/default/rel/hello_world/bin/hello_world restart 10 | done 11 | --------------------------------------------------------------------------------