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Added int support to env; fixed apparently broken defaults

cron
Jef Roosens 2022-04-13 14:51:01 +02:00
parent bd0c276fd8
commit 132a7a8ba5
Signed by untrusted user: Jef Roosens
GPG Key ID: B75D4F293C7052DB
1 changed files with 27 additions and 13 deletions
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40
src/env/env.v vendored
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@ -55,27 +55,41 @@ pub fn load<T>(path string) ?T {
$for field in T.fields {
s := doc.value(field.name)
// We currently only support strings
if s.type_name() == 'string' {
res.$(field.name) = s.string()
if s !is toml.Null {
$if field.typ is string {
res.$(field.name) = s.string()
}$else $if field.typ is int {
res.$(field.name) = s.int()
}
}
}
}
$for field in T.fields {
$if field.typ is string {
env_value := get_env_var(field.name) ?
env_value := get_env_var(field.name) ?
// The value of the env var will always be chosen over the config
// file
if env_value != '' {
// The value of an env var will always take precedence over the toml
// file.
if env_value != '' {
$if field.typ is string {
res.$(field.name) = env_value
} $else $if field.typ is int {
res.$(field.name) = env_value.int()
}
// If there's no value from the toml file either, we try to find a
// default value
else if res.$(field.name) == '' {
return error("Missing config variable '$field.name' with no provided default. Either add it to the config file or provide it using an environment variable.")
}
}
// Now, we check whether a value is present. If there isn't, that means
// it isn't in the config file, nor is there a default or an env var.
mut has_value := false
$if field.typ is string {
has_value = res.$(field.name) != ''
} $else $if field.typ is int {
has_value = res.$(field.name) != 0
}
if !has_value {
return error("Missing config variable '$field.name' with no provided default. Either add it to the config file or provide it using an environment variable.")
}
}
return res