TagService.h

// Copyright eeGeo Ltd (2012-2017), All Rights Reserved

#pragma once

#include "Types.h"
#include "ITagService.h"
#include "IWebLoadRequestFactory.h"
#include "SearchTag.h"
#include "PoiSearch.h"
#include "WebLoadRequestCompletionCallback.h"
#include "CallbackCollection.h"
#include <string>
#include <map>

namespace Eegeo
{
    namespace PoiSearch
    {
        class TagService : public ITagService
        {
        public:

            TagService(Web::IWebLoadRequestFactory& webRequestFactory,
                       const std::string& manifestUrl,
                       const std::string& defaultReadableTag,
                       const std::string& defaultIconKey);
            ~TagService();

            void LoadTags();

            bool HasLoadedTags() const;

            bool HasTag(const std::string& tag) const;
            const std::string& GetDefaultIconKey() const;
            const std::string& GetDefaultHumanReadableTag() const;

            bool FindIconKeyByTagsString(const std::string& tagsString, std::string& out_iconKey) const;
            bool FindHumanReadableTagsByTagString(const std::string& tagsString, std::vector<std::string>& out_readableTags) const;

            void RegisterTagsLoadedCallback(Helpers::ICallback0& callback);
            void UnregisterTagsLoadedCallback(Helpers::ICallback0& callback);

        private:

            const SearchTag& GetTag(const std::string& tag) const;

            void OnRequestComplete(Web::IWebResponse& webResponse);

            Web::IWebLoadRequestFactory& m_webRequestFactory;
            Eegeo::Web::IWebLoadRequest* m_pRequest;
            Web::TWebLoadRequestCompletionCallback<TagService> m_webLoadFinishedHandler;

            Helpers::CallbackCollection0 m_tagsLoadedCallbacks;

            std::map<std::string, SearchTag> m_searchTagsMap;
            std::string m_defaultReadableTag;
            std::string m_defaultIconKey;
            const std::string m_manifestUrl;
            bool m_hasLoadedTags;
        };
    }
}