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< li > < a id = "modules-list-link" href = "#full-list" > Modules< / a > < / li >
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< span class = "sr-only" > Settings< / span >
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< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L1" title = "View Source" class = "icon-action" rel = "help" >
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< span translate = "no" > Plausible.Billing.Feature< / span > < small > behaviour< / small >
< small class = "app-vsn" translate = "no" > (Plausible v0.0.1)< / small >
< / h1 >
< section id = "moduledoc" >
< p > This module provides an interface for managing features, e.g. Revenue Goals,
Funnels and Custom Properties.< / p > < p > Feature modules have functions for toggling the feature on/off and checking
whether the feature is available for a site/user.< / p > < p > When defining new features, the following options are expected by the
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< code class = "inline" > __using__< / code > macro:< / p > < ul > < li > < p > < code class = "inline" > :name< / code > - an atom representing the feature name in the plan JSON
file (see also Plausible.Billing.Plan).< / p > < / li > < li > < p > < code class = "inline" > :display_name< / code > - human-readable display name of the feature< / p > < / li > < li > < p > < code class = "inline" > :toggle_field< / code > - the field in the %Plausible.Site{} schema that toggles
the feature. If < code class = "inline" > nil< / code > or not set, toggle/2 silently returns < code class = "inline" > :ok< / code > < / p > < / li > < li > < p > < code class = "inline" > :free< / code > - if set to < code class = "inline" > true< / code > , makes the < code class = "inline" > check_availability/1< / code > function
always return < code class = "inline" > :ok< / code > (no matter the user's subscription status)< / p > < / li > < / ul > < p > Functions defined by < code class = "inline" > __using__< / code > can be overridden if needed.< / p >
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< / section >
< section id = "summary" class = "details-list" >
< h1 class = "section-heading" >
< a class = "hover-link" href = "#summary" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
Summary
< / a >
< / h1 >
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< div class = "summary-types summary" >
< h2 >
< a href = "#types" > Types< / a >
< / h2 >
< div class = "summary-row" >
< div class = "summary-signature" >
< a href = "#t:t/0" translate = "no" > t()< / a >
< / div >
< / div >
< / div >
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< div class = "summary-callbacks summary" >
< h2 >
< a href = "#callbacks" > Callbacks< / a >
< / h2 >
< div class = "summary-row" >
< div class = "summary-signature" >
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< a href = "#c:check_availability/1" translate = "no" > check_availability(t)< / a >
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< / div >
< div class = "summary-synopsis" > < p > Checks whether the site owner or the user plan includes the given feature.< / p > < / div >
< / div >
< div class = "summary-row" >
< div class = "summary-signature" >
< a href = "#c:display_name/0" translate = "no" > display_name()< / a >
< / div >
< div class = "summary-synopsis" > < p > Returns the human-readable display name of the feature.< / p > < / div >
< / div >
< div class = "summary-row" >
< div class = "summary-signature" >
< a href = "#c:enabled?/1" translate = "no" > enabled?(t)< / a >
< / div >
< div class = "summary-synopsis" > < p > Checks whether a feature is enabled or not. Returns false when the feature is
disabled or the user does not have access to it.< / p > < / div >
< / div >
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< div class = "summary-row" >
< div class = "summary-signature" >
< a href = "#c:free?/0" translate = "no" > free?()< / a >
< / div >
< div class = "summary-synopsis" > < p > Returns whether the feature is free to use or not.< / p > < / div >
< / div >
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< div class = "summary-row" >
< div class = "summary-signature" >
< a href = "#c:name/0" translate = "no" > name()< / a >
< / div >
< div class = "summary-synopsis" > < p > Returns the atom representing the feature name in the plan JSON file.< / p > < / div >
< / div >
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< div class = "summary-row" >
< div class = "summary-signature" >
< a href = "#c:toggle/2" translate = "no" > toggle(t, t)< / a >
< / div >
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< div class = "summary-synopsis" > < p > Toggles the feature on and off for a site. Returns
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< code class = "inline" > {:error, :upgrade_required}< / code > when toggling a feature the site owner does not
have access to.< / p > < / div >
< / div >
< div class = "summary-row" >
< div class = "summary-signature" >
< a href = "#c:toggle_field/0" translate = "no" > toggle_field()< / a >
< / div >
< div class = "summary-synopsis" > < p > Returns the %Plausible.Site{} field that toggles the feature on and off.< / p > < / div >
< / div >
< / div >
< div class = "summary-functions summary" >
< h2 >
< a href = "#functions" > Functions< / a >
< / h2 >
< div class = "summary-row" >
< div class = "summary-signature" >
< a href = "#list/0" translate = "no" > list()< / a >
< / div >
< div class = "summary-synopsis" > < p > Lists all available feature modules.< / p > < / div >
< / div >
< / div >
< / section >
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< section id = "types" class = "details-list" >
< h1 class = "section-heading" >
< a class = "hover-link" href = "#types" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
Types
< / a >
< / h1 >
< div class = "types-list" >
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< a href = "#t:t/0" class = "detail-link" title = "Link to this type" >
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< h1 class = "signature" translate = "no" > t()< / h1 >
< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L74" class = "icon-action" rel = "help" title = "View Source" >
< i class = "ri-code-s-slash-line" aria-hidden = "true" > < / i >
< span class = "sr-only" > View Source< / span >
< / a >
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< section class = "docstring" >
< div class = "specs" >
< pre translate = "no" > < span class = "attribute" > @type< / span > t() ::
Plausible.Billing.Feature.RevenueGoals
| Plausible.Billing.Feature.Funnels
| Plausible.Billing.Feature.Props
| Plausible.Billing.Feature.StatsAPI
| Plausible.Billing.Feature.Goals< / pre >
< / div >
< / section >
< / section >
< / div >
< / section >
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< section id = "callbacks" class = "details-list" >
< h1 class = "section-heading" >
< a class = "hover-link" href = "#callbacks" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
Callbacks
< / a >
< / h1 >
< div class = "callbacks-list" >
< section class = "detail" id = "c:check_availability/1" >
< div class = "detail-header" >
< a href = "#c:check_availability/1" class = "detail-link" title = "Link to this callback" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
< span class = "sr-only" > Link to this callback< / span >
< / a >
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< h1 class = "signature" translate = "no" > check_availability(t)< / h1 >
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< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L62" class = "icon-action" rel = "help" title = "View Source" >
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< i class = "ri-code-s-slash-line" aria-hidden = "true" > < / i >
< span class = "sr-only" > View Source< / span >
< / a >
< / div >
< section class = "docstring" >
< div class = "specs" >
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< pre translate = "no" > < span class = "attribute" > @callback< / span > check_availability(< a href = "Plausible.Auth.User.html#t:t/0" > Plausible.Auth.User.t< / a > ()) ::
:ok | {:error, :upgrade_required} | {:error, :not_implemented}< / pre >
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< / div >
< p > Checks whether the site owner or the user plan includes the given feature.< / p >
< / section >
< / section >
< section class = "detail" id = "c:display_name/0" >
< div class = "detail-header" >
< a href = "#c:display_name/0" class = "detail-link" title = "Link to this callback" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
< span class = "sr-only" > Link to this callback< / span >
< / a >
< h1 class = "signature" translate = "no" > display_name()< / h1 >
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< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L34" class = "icon-action" rel = "help" title = "View Source" >
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< i class = "ri-code-s-slash-line" aria-hidden = "true" > < / i >
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< / a >
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< section class = "docstring" >
< div class = "specs" >
< pre translate = "no" > < span class = "attribute" > @callback< / span > display_name() :: < a href = "https://hexdocs.pm/elixir/String.html#t:t/0" > String.t< / a > ()< / pre >
< / div >
< p > Returns the human-readable display name of the feature.< / p >
< / section >
< / section >
< section class = "detail" id = "c:enabled?/1" >
< div class = "detail-header" >
< a href = "#c:enabled?/1" class = "detail-link" title = "Link to this callback" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
< span class = "sr-only" > Link to this callback< / span >
< / a >
< h1 class = "signature" translate = "no" > enabled?(t)< / h1 >
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< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L57" class = "icon-action" rel = "help" title = "View Source" >
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< i class = "ri-code-s-slash-line" aria-hidden = "true" > < / i >
< span class = "sr-only" > View Source< / span >
< / a >
< / div >
< section class = "docstring" >
< div class = "specs" >
< pre translate = "no" > < span class = "attribute" > @callback< / span > enabled?(< a href = "Plausible.Site.html#t:t/0" > Plausible.Site.t< / a > ()) :: < a href = "https://hexdocs.pm/elixir/typespecs.html#built-in-types" > boolean< / a > ()< / pre >
< / div >
< p > Checks whether a feature is enabled or not. Returns false when the feature is
disabled or the user does not have access to it.< / p >
< / section >
< / section >
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< section class = "detail" id = "c:free?/0" >
< div class = "detail-header" >
< a href = "#c:free?/0" class = "detail-link" title = "Link to this callback" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
< span class = "sr-only" > Link to this callback< / span >
< / a >
< h1 class = "signature" translate = "no" > free?()< / h1 >
< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L44" class = "icon-action" rel = "help" title = "View Source" >
< i class = "ri-code-s-slash-line" aria-hidden = "true" > < / i >
< span class = "sr-only" > View Source< / span >
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< section class = "docstring" >
< div class = "specs" >
< pre translate = "no" > < span class = "attribute" > @callback< / span > free?() :: < a href = "https://hexdocs.pm/elixir/typespecs.html#built-in-types" > boolean< / a > ()< / pre >
< / div >
< p > Returns whether the feature is free to use or not.< / p >
< / section >
< / section >
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< section class = "detail" id = "c:name/0" >
< div class = "detail-header" >
< a href = "#c:name/0" class = "detail-link" title = "Link to this callback" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
< span class = "sr-only" > Link to this callback< / span >
< / a >
< h1 class = "signature" translate = "no" > name()< / h1 >
< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L29" class = "icon-action" rel = "help" title = "View Source" >
< i class = "ri-code-s-slash-line" aria-hidden = "true" > < / i >
< span class = "sr-only" > View Source< / span >
< / a >
< / div >
< section class = "docstring" >
< div class = "specs" >
< pre translate = "no" > < span class = "attribute" > @callback< / span > name() :: < a href = "https://hexdocs.pm/elixir/typespecs.html#basic-types" > atom< / a > ()< / pre >
< / div >
< p > Returns the atom representing the feature name in the plan JSON file.< / p >
< / section >
< / section >
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< section class = "detail" id = "c:toggle/2" >
< div class = "detail-header" >
< a href = "#c:toggle/2" class = "detail-link" title = "Link to this callback" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
< span class = "sr-only" > Link to this callback< / span >
< / a >
< h1 class = "signature" translate = "no" > toggle(t, t)< / h1 >
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< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L51" class = "icon-action" rel = "help" title = "View Source" >
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< / a >
< / div >
< section class = "docstring" >
< div class = "specs" >
< pre translate = "no" > < span class = "attribute" > @callback< / span > toggle(< a href = "Plausible.Site.html#t:t/0" > Plausible.Site.t< / a > (), < a href = "https://hexdocs.pm/elixir/Keyword.html#t:t/0" > Keyword.t< / a > ()) :: :ok | {:error, :upgrade_required}< / pre >
< / div >
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< p > Toggles the feature on and off for a site. Returns
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< code class = "inline" > {:error, :upgrade_required}< / code > when toggling a feature the site owner does not
have access to.< / p >
< / section >
< / section >
< section class = "detail" id = "c:toggle_field/0" >
< div class = "detail-header" >
< a href = "#c:toggle_field/0" class = "detail-link" title = "Link to this callback" >
< i class = "ri-link-m" aria-hidden = "true" > < / i >
< span class = "sr-only" > Link to this callback< / span >
< / a >
< h1 class = "signature" translate = "no" > toggle_field()< / h1 >
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< a href = "https://github.com/plausible/analytics/blob/main/lib/plausible/billing/feature.ex#L39" class = "icon-action" rel = "help" title = "View Source" >
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< pre translate = "no" > < span class = "attribute" > @callback< / span > toggle_field() :: < a href = "https://hexdocs.pm/elixir/typespecs.html#basic-types" > atom< / a > ()< / pre >
< / div >
< p > Returns the %Plausible.Site{} field that toggles the feature on and off.< / p >
< / section >
< / section >
< / div >
< / section >
< section id = "functions" class = "details-list" >
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Functions
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< p > Lists all available feature modules.< / p >
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