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Commit7581d37

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1 parent7285b33 commit7581d37

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10 files changed

+1911
-10
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10 files changed

+1911
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lines changed

‎lib/igniter.ex‎

Lines changed: 24 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -18,6 +18,30 @@ defmodule AshPostgres.Igniter do
1818
"""
1919
end
2020

21+
deftable(igniter,resource)do
22+
igniter
23+
|>Spark.Igniter.get_option(resource,[:postgres,:table])
24+
|>casedo
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{igniter,{:ok,value}}whenis_binary(value)oris_nil(value)->
26+
{:ok,igniter,value}
27+
28+
_->
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:error
30+
end
31+
end
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33+
defrepo(igniter,resource)do
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igniter
35+
|>Spark.Igniter.get_option(resource,[:postgres,:repo])
36+
|>casedo
37+
{igniter,{:ok,value}}whenis_atom(value)->
38+
{:ok,igniter,value}
39+
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_->
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:error
42+
end
43+
end
44+
2145
defadd_postgres_extension(igniter,repo_name,extension)do
2246
Igniter.Code.Module.find_and_update_module!(igniter,repo_name,fnzipper->
2347
caseIgniter.Code.Function.move_to_def(zipper,:installed_extensions,0)do

‎lib/migration_generator/migration_generator.ex‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -18,6 +18,7 @@ defmodule AshPostgres.MigrationGenerator do
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format:true,
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dry_run:false,
2020
check:false,
21+
snapshots_only:false,
2122
dont_drop_columns:false
2223

2324
defgenerate(domains,opts\\[])do
Lines changed: 113 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,113 @@
1+
defmoduleMix.Tasks.AshPostgres.Gen.Resourcesdo
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useIgniter.Mix.Task
3+
4+
@shortdoc"Generates or updates resources based on a database schema"
5+
6+
@doc"""
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#{@shortdoc}
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## Options
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- `repo`, `r` - The repo or repos to generate resources for, comma separated. Can be specified multiple times. Defaults to all repos.
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- `tables`, `t` - The tables to generate resources for, comma separated. Can be specified multiple times. Defaults to all tables non-`_*` tables
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- `skip-tables`, `s` - The tables to skip generating resources for, comma separated. Can be specified multiple times.
14+
- `snapshots-only`, `n` - Only generate snapshots for the generated resources, and not migraitons.
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- `domains` , 'd` - The domain to generate resources inside of. See the section on domains for more.
16+
"""
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18+
@implIgniter.Mix.Task
19+
definfo(_argv,_parent)do
20+
%Igniter.Mix.Task.Info{
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positional:[],
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schema:[
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repo::keep,
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tables::keep,
25+
skip_tables::keep,
26+
snapshots_only::boolean,
27+
domain::keep
28+
],
29+
aliases:[
30+
t::tables,
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r::repo,
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d::domain,
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s::skip_tables,
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n::snapshots_only
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]
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}
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end
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@implIgniter.Mix.Task
40+
defigniter(igniter,argv)do
41+
Mix.Task.run("compile")
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options=options!(argv)
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repos=
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options[:repo]||
47+
Mix.Project.config()[:app]
48+
|>Application.get_env(:ecto_repos,[])
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casereposdo
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[]->
52+
igniter
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|>Igniter.add_warning("No ecto repos configured.")
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repos->
56+
Mix.shell().info("Generating resources from#{inspect(repos)}")
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prompt=
59+
"""
60+
61+
Would you like to generate migrations for the current structure? (recommended)
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If#{IO.ANSI.green()}yes#{IO.ANSI.reset()}:
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We will generate migrations based on the generated resources.
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You should then change your database name in your config, and
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run `mix ash.setup`.
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If you already have ecto migrations you'd like to use, run
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this command with `--snapshots-only`, in which case only resource
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snapshots will be generated.
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#{IO.ANSI.green()}
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Going forward, your resources will be the source of truth.#{IO.ANSI.reset()}
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#{IO.ANSI.red()}
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*WARNING*
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If you run `mix ash.reset` after this command without updating
77+
your config, you will be *deleting the database you just used to
78+
generate these resources*!#{IO.ANSI.reset()}
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80+
If#{IO.ANSI.red()}no#{IO.ANSI.reset()}:
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We will not generate any migrations. This means you have migrations already that
83+
can get you from zero to the current starting point.
84+
#{IO.ANSI.yellow()}
85+
You will have to hand-write migrations from this point on.#{IO.ANSI.reset()}
86+
"""
87+
88+
options=
89+
ifMix.shell().yes?(prompt)do
90+
Keyword.put(options,:no_migrations,false)
91+
else
92+
Keyword.put(options,:no_migrations,true)
93+
end
94+
95+
migration_opts=
96+
ifoptions[:snapshots_only]do
97+
["--snapshots-only"]
98+
else
99+
[]
100+
end
101+
102+
igniter
103+
|>AshPostgres.ResourceGenerator.generate(repos,options)
104+
|>then(fnigniter->
105+
ifoptions[:no_migrations]do
106+
igniter
107+
else
108+
Igniter.add_task(igniter,"ash_postgres.generate_migrations",migration_opts)
109+
end
110+
end)
111+
end
112+
end
113+
end

‎lib/mix/tasks/ash_postgres.generate_migrations.ex‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -21,6 +21,7 @@ defmodule Mix.Tasks.AshPostgres.GenerateMigrations do
2121
* `no-format` - files that are created will not be formatted with the code formatter
2222
* `dry-run` - no files are created, instead the new migration is printed
2323
* `check` - no files are created, returns an exit(1) code if the current snapshots and resources don't fit
24+
* `snapshots-only` - no migrations are generated, only snapshots are stored
2425
2526
#### Snapshots
2627
@@ -90,6 +91,7 @@ defmodule Mix.Tasks.AshPostgres.GenerateMigrations do
9091
migration_path::string,
9192
tenant_migration_path::string,
9293
quiet::boolean,
94+
snapshots_only::boolean,
9395
name::string,
9496
no_format::boolean,
9597
dry_run::boolean,
@@ -100,7 +102,7 @@ defmodule Mix.Tasks.AshPostgres.GenerateMigrations do
100102

101103
domains=AshPostgres.Mix.Helpers.domains!(opts,args,false)
102104

103-
ifEnum.empty?(domains)do
105+
ifEnum.empty?(domains)&&!opts[:snapshots_only]do
104106
IO.warn("""
105107
No domains found, so no resource-related migrations will be generated.
106108
Pass the `--domains` option or configure `config :your_app, ash_domains: [...]`
@@ -113,7 +115,7 @@ defmodule Mix.Tasks.AshPostgres.GenerateMigrations do
113115
|>Keyword.delete(:no_format)
114116
|>Keyword.put_new(:name,name)
115117

116-
if!opts[:name]&&!opts[:dry_run]&&!opts[:check]do
118+
if!opts[:name]&&!opts[:dry_run]&&!opts[:check]&&!opts[:snapshots_only]do
117119
IO.warn("""
118120
Name must be provided when generating migrations, unless `--dry-run` or `--check` is also provided.
119121
Using an autogenerated name will be deprecated in a future release.

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