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Verified Commit f727d455 authored by Fahim M. Choudhury's avatar Fahim M. Choudhury
Browse files

refactor: extract search state use cases from SearchViewModelV2 

Move query/tab/suggestion decisions into domain use cases and a UI reducer to keep the ViewModel focused and improve testability.

Add unit coverage for the new search state logic.
parent 4bbc9166

app/src/main/java/foundation/e/apps/domain/search/FetchSearchSuggestionsUseCase.kt

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/*

 * Copyright (C) 2026 e Foundation

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>.

 *

 */



package foundation.e.apps.domain.search



import foundation.e.apps.data.preference.AppLoungePreference

import foundation.e.apps.data.search.SuggestionSource

import javax.inject.Inject



class FetchSearchSuggestionsUseCase @Inject constructor(

    private val suggestionSource: SuggestionSource,

    private val appLoungePreference: AppLoungePreference,

) {

    suspend operator fun invoke(query: String): List<String> {

        if (query.isBlank() || !appLoungePreference.isPlayStoreSelected()) {

            return emptyList()

        }

        return suggestionSource.suggest(query)

    }

}

app/src/main/java/foundation/e/apps/domain/search/PrepareSearchSubmissionUseCase.kt

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/*

 * Copyright (C) 2026 e Foundation

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>.

 *

 */



package foundation.e.apps.domain.search



import foundation.e.apps.ui.search.v2.SearchTabType

import javax.inject.Inject



class PrepareSearchSubmissionUseCase @Inject constructor(

    private val resolveVisibleSearchTabsUseCase: ResolveVisibleSearchTabsUseCase,

) {

    operator fun invoke(

        submittedQuery: String,

        selectedTab: SearchTabType?,

        currentVersion: Int,

    ): SearchSubmissionResult {

        val trimmedQuery = submittedQuery.trim()

        val visibleTabs = resolveVisibleSearchTabsUseCase()

        val resolvedSelectedTab = selectedTab?.takeIf { visibleTabs.contains(it) }

            ?: visibleTabs.firstOrNull()

        val shouldIncrementVersion = trimmedQuery.isNotEmpty()

        val nextVersion = if (shouldIncrementVersion) currentVersion + 1 else currentVersion

        val hasSubmittedSearch = trimmedQuery.isNotEmpty() && visibleTabs.isNotEmpty()

        val searchRequest = if (hasSubmittedSearch) {

            SearchRequest(

                query = trimmedQuery,

                visibleTabs = visibleTabs,

                version = nextVersion,

            )

        } else {

            null

        }



        return SearchSubmissionResult(

            trimmedQuery = trimmedQuery,

            visibleTabs = visibleTabs,

            selectedTab = resolvedSelectedTab,

            hasSubmittedSearch = hasSubmittedSearch,

            nextVersion = nextVersion,

            searchRequest = searchRequest,

        )

    }

}

app/src/main/java/foundation/e/apps/domain/search/ResolveVisibleSearchTabsUseCase.kt

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2026 e Foundation

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>.

 *

 */



package foundation.e.apps.domain.search



import foundation.e.apps.data.Stores

import foundation.e.apps.data.enums.Source.OPEN_SOURCE

import foundation.e.apps.data.enums.Source.PLAY_STORE

import foundation.e.apps.data.enums.Source.PWA

import foundation.e.apps.ui.search.v2.SearchTabType

import javax.inject.Inject



class ResolveVisibleSearchTabsUseCase @Inject constructor(

    private val stores: Stores,

) {

    operator fun invoke(): List<SearchTabType> {

        return stores.getStores().mapNotNull { (key, _) ->

            when (key) {

                PLAY_STORE -> SearchTabType.COMMON_APPS

                OPEN_SOURCE -> SearchTabType.OPEN_SOURCE

                PWA -> SearchTabType.PWA

                else -> null

            }

        }

    }

}

app/src/main/java/foundation/e/apps/domain/search/SearchStateResults.kt

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2026 e Foundation

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>.

 *

 */



package foundation.e.apps.domain.search



import foundation.e.apps.ui.search.v2.SearchTabType



data class SearchSubmissionResult(

    val trimmedQuery: String,

    val visibleTabs: List<SearchTabType>,

    val selectedTab: SearchTabType?,

    val hasSubmittedSearch: Boolean,

    val nextVersion: Int,

    val searchRequest: SearchRequest?,

)



data class StoreSelectionUpdate(

    val visibleTabs: List<SearchTabType>,

    val selectedTab: SearchTabType?,

    val hasSubmittedSearch: Boolean,

    val suggestionsEnabled: Boolean,

    val searchRequest: SearchRequest?,

)

app/src/main/java/foundation/e/apps/domain/search/UpdateSearchForStoreSelectionUseCase.kt

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2026 e Foundation

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>.

 *

 */



package foundation.e.apps.domain.search



import foundation.e.apps.data.preference.AppLoungePreference

import foundation.e.apps.ui.search.v2.SearchTabType

import javax.inject.Inject



class UpdateSearchForStoreSelectionUseCase @Inject constructor(

    private val resolveVisibleSearchTabsUseCase: ResolveVisibleSearchTabsUseCase,

    private val appLoungePreference: AppLoungePreference,

) {

    operator fun invoke(

        currentQuery: String,

        selectedTab: SearchTabType?,

        hasSubmittedSearch: Boolean,

        currentVersion: Int,

    ): StoreSelectionUpdate {

        val visibleTabs = resolveVisibleSearchTabsUseCase()

        val resolvedSelectedTab = selectedTab?.takeIf { visibleTabs.contains(it) }

            ?: visibleTabs.firstOrNull()

        val updatedHasSubmittedSearch = hasSubmittedSearch && visibleTabs.isNotEmpty()

        val shouldUpdateRequest = hasSubmittedSearch && currentQuery.isNotBlank()

        val searchRequest = when {

            shouldUpdateRequest && visibleTabs.isNotEmpty() -> SearchRequest(

                query = currentQuery,

                visibleTabs = visibleTabs,

                version = currentVersion,

            )

            !hasSubmittedSearch -> SearchRequest(

                query = "",

                visibleTabs = visibleTabs,

                version = currentVersion,

            )

            else -> null

        }



        return StoreSelectionUpdate(

            visibleTabs = visibleTabs,

            selectedTab = resolvedSelectedTab,

            hasSubmittedSearch = updatedHasSubmittedSearch,

            suggestionsEnabled = appLoungePreference.isPlayStoreSelected(),

            searchRequest = searchRequest,

        )

    }

}