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online_image: allow setting templatable headers on http request

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This commit is contained in:
Kjell Braden 2024-11-14 09:39:19 +01:00
parent e819185de1
commit e89f7fe385
3 changed files with 23 additions and 1 deletions
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10
esphome/components/online_image/__init__.py
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@ -28,6 +28,7 @@ MULTI_CONF = True
CONF_ON_DOWNLOAD_FINISHED = "on_download_finished"
CONF_PLACEHOLDER = "placeholder"
CONF_HTTP_REQUEST_HEADERS = "http_request_headers"
_LOGGER = logging.getLogger(__name__)
@ -86,6 +87,9 @@ ONLINE_IMAGE_SCHEMA = cv.Schema(
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(DownloadErrorTrigger),
}
),
cv.Optional(CONF_HTTP_REQUEST_HEADERS): cv.All(
cv.Schema({cv.string: cv.templatable(cv.string)})
),
}
).extend(cv.polling_component_schema("never"))
@ -154,6 +158,12 @@ async def to_code(config):
cg.add(var.set_transparency(transparent))
for key in config.get(CONF_HTTP_REQUEST_HEADERS, []):
template_ = await cg.templatable(
config[CONF_HTTP_REQUEST_HEADERS][key], [], cg.optional.template(cg.const_char_ptr)
)
cg.add(var.add_header(key, template_))
if placeholder_id := config.get(CONF_PLACEHOLDER):
placeholder = await cg.get_variable(placeholder_id)
cg.add(var.set_placeholder(placeholder))

11
esphome/components/online_image/online_image.cpp
View file

@ -103,7 +103,16 @@ void OnlineImage::update() {
ESP_LOGI(TAG, "Updating image");
}
this->downloader_ = this->parent_->get(this->url_);
std::list<http_request::Header> headers;
for (const auto &item : this->headers_) {
auto val = item.second();
if (val.has_value()) {
headers.push_back(http_request::Header{item.first, *val});
}
}
this->downloader_ = this->parent_->get(this->url_, headers);
if (this->downloader_ == nullptr) {
ESP_LOGE(TAG, "Download failed.");

3
esphome/components/online_image/online_image.h
View file

@ -62,6 +62,8 @@ class OnlineImage : public PollingComponent,
}
}
void add_header(const char *key, std::function<optional<const char*>()> &&f) { this->headers_.insert({key, f}); }
/**
* @brief Set the image that needs to be shown as long as the downloaded image
* is not available.
@ -122,6 +124,7 @@ class OnlineImage : public PollingComponent,
image::Image *placeholder_{nullptr};
std::string url_{""};
std::map<const char *, std::function<optional<const char*>()>> headers_{};
/** width requested on configuration, or 0 if non specified. */
const int fixed_width_;