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| 1 | +package com.woocommerce.android.ui.woopos.common.data |
| 2 | + |
| 3 | +import com.google.gson.Gson |
| 4 | +import com.google.gson.JsonSyntaxException |
| 5 | +import com.google.gson.reflect.TypeToken |
| 6 | +import com.woocommerce.android.R |
| 7 | +import com.woocommerce.android.model.Product |
| 8 | +import com.woocommerce.android.model.ProductVariation |
| 9 | +import com.woocommerce.android.util.WooLog |
| 10 | +import com.woocommerce.android.viewmodel.ResourceProvider |
| 11 | +import org.wordpress.android.fluxc.model.WCProductVariationModel |
| 12 | +import org.wordpress.android.fluxc.persistence.entity.pos.WCPosVariationModel |
| 13 | +import javax.inject.Inject |
| 14 | +import javax.inject.Singleton |
| 15 | + |
| 16 | +/** |
| 17 | + * Mapper class responsible for all WooPosVariation conversions and transformations. |
| 18 | + * This centralizes all variation mapping logic, JSON parsing, and name generation. |
| 19 | + */ |
| 20 | +@Singleton |
| 21 | +class WooPosVariationMapper @Inject constructor( |
| 22 | + private val gson: Gson |
| 23 | +) { |
| 24 | + fun fromProductVariation(productVariation: ProductVariation): WooPosVariation { |
| 25 | + return WooPosVariation( |
| 26 | + remoteVariationId = productVariation.remoteVariationId, |
| 27 | + remoteProductId = productVariation.remoteProductId, |
| 28 | + globalUniqueId = productVariation.globalUniqueId, |
| 29 | + price = productVariation.price, |
| 30 | + image = productVariation.image?.let { WooPosVariation.WooPosVariationImage(it.source) }, |
| 31 | + attributes = productVariation.attributes.map { |
| 32 | + WooPosVariation.WooPosVariationAttribute( |
| 33 | + id = it.id, |
| 34 | + name = it.name, |
| 35 | + option = it.option |
| 36 | + ) |
| 37 | + }, |
| 38 | + isVisible = productVariation.isVisible, |
| 39 | + isDownloadable = productVariation.isDownloadable |
| 40 | + ) |
| 41 | + } |
| 42 | + |
| 43 | + @Suppress("SwallowedException") |
| 44 | + fun fromWCProductVariationModel(model: WCProductVariationModel): WooPosVariation { |
| 45 | + val attributesList = model.attributeList?.map { attribute -> |
| 46 | + WooPosVariation.WooPosVariationAttribute( |
| 47 | + id = attribute.id, |
| 48 | + name = attribute.name, |
| 49 | + option = attribute.option |
| 50 | + ) |
| 51 | + } ?: emptyList() |
| 52 | + |
| 53 | + val imageModel = try { |
| 54 | + if (model.image.isNotEmpty()) model.getImageModel() else null |
| 55 | + } catch (e: JsonSyntaxException) { |
| 56 | + WooLog.w( |
| 57 | + WooLog.T.POS, |
| 58 | + "Failed to parse image from JSON attributes for variation " + |
| 59 | + "${model.remoteVariationId.value}: ${e.message}" |
| 60 | + ) |
| 61 | + null |
| 62 | + } |
| 63 | + |
| 64 | + return WooPosVariation( |
| 65 | + remoteVariationId = model.remoteVariationId.value, |
| 66 | + remoteProductId = model.remoteProductId.value, |
| 67 | + globalUniqueId = model.globalUniqueId, |
| 68 | + price = model.price.toBigDecimalOrNull(), |
| 69 | + image = imageModel?.src?.let { WooPosVariation.WooPosVariationImage(it) }, |
| 70 | + attributes = attributesList, |
| 71 | + isVisible = model.status == "publish", |
| 72 | + isDownloadable = model.downloadable |
| 73 | + ) |
| 74 | + } |
| 75 | + |
| 76 | + @Suppress("SwallowedException") |
| 77 | + fun fromWCPosVariationModel(model: WCPosVariationModel): WooPosVariation { |
| 78 | + val attributesList = parseAttributesJson(model.attributesJson) |
| 79 | + |
| 80 | + return WooPosVariation( |
| 81 | + remoteVariationId = model.remoteVariationId.value, |
| 82 | + remoteProductId = model.remoteProductId.value, |
| 83 | + globalUniqueId = model.globalUniqueId, |
| 84 | + price = model.price.toBigDecimalOrNull(), |
| 85 | + image = if (model.imageUrl.isNotEmpty()) WooPosVariation.WooPosVariationImage(model.imageUrl) else null, |
| 86 | + attributes = attributesList, |
| 87 | + isVisible = model.status == "publish", |
| 88 | + isDownloadable = model.downloadable |
| 89 | + ) |
| 90 | + } |
| 91 | + |
| 92 | + fun getNameForPOS( |
| 93 | + variation: WooPosVariation, |
| 94 | + parentProduct: Product? = null, |
| 95 | + resourceProvider: ResourceProvider, |
| 96 | + ): String { |
| 97 | + return parentProduct?.variationEnabledAttributes?.joinToString(", ") { attribute -> |
| 98 | + val option = variation.attributes.firstOrNull { it.name == attribute.name } |
| 99 | + if (option?.option != null) { |
| 100 | + "${attribute.name}: ${option.option}" |
| 101 | + } else { |
| 102 | + resourceProvider.getString( |
| 103 | + R.string.woopos_variations_any_variation, |
| 104 | + attribute.name |
| 105 | + ) |
| 106 | + } |
| 107 | + } ?: variation.attributes.joinToString(", ") { attribute -> |
| 108 | + when { |
| 109 | + attribute.option != null && attribute.name != null -> "${attribute.name}: ${attribute.option}" |
| 110 | + attribute.option != null -> attribute.option |
| 111 | + attribute.name != null -> resourceProvider.getString( |
| 112 | + R.string.woopos_variations_any_variation, |
| 113 | + attribute.name |
| 114 | + ) |
| 115 | + else -> "" |
| 116 | + } |
| 117 | + } |
| 118 | + } |
| 119 | + |
| 120 | + fun getName(variation: WooPosVariation, parentProduct: Product? = null): String { |
| 121 | + return parentProduct?.variationEnabledAttributes?.joinToString(" - ") { attribute -> |
| 122 | + val option = variation.attributes.firstOrNull { it.name == attribute.name } |
| 123 | + option?.option ?: "Any ${attribute.name}" |
| 124 | + } ?: variation.attributes.mapNotNull { it.option }.joinToString(" - ") |
| 125 | + } |
| 126 | + |
| 127 | + /** |
| 128 | + * Parses JSON string containing variation attributes into a list of WooPosVariationAttribute objects. |
| 129 | + * |
| 130 | + * @param attributesJson The JSON string to parse |
| 131 | + * @return List of parsed attributes, or empty list if parsing fails |
| 132 | + */ |
| 133 | + private fun parseAttributesJson(attributesJson: String): List<WooPosVariation.WooPosVariationAttribute> { |
| 134 | + if (attributesJson.isEmpty()) return emptyList() |
| 135 | + |
| 136 | + return try { |
| 137 | + val type = object : TypeToken<List<AttributeJsonItem>>() {}.type |
| 138 | + val items: List<AttributeJsonItem> = gson.fromJson(attributesJson, type) |
| 139 | + items.map { item -> |
| 140 | + WooPosVariation.WooPosVariationAttribute( |
| 141 | + id = item.id, |
| 142 | + name = item.name, |
| 143 | + option = item.option |
| 144 | + ) |
| 145 | + } |
| 146 | + } catch (e: JsonSyntaxException) { |
| 147 | + WooLog.w(WooLog.T.POS, "Failed to parse attributes JSON: ${e.message}") |
| 148 | + emptyList() |
| 149 | + } |
| 150 | + } |
| 151 | + |
| 152 | + private data class AttributeJsonItem( |
| 153 | + val id: Long?, |
| 154 | + val name: String?, |
| 155 | + val option: String? |
| 156 | + ) |
| 157 | +} |
| 158 | + |
| 159 | +fun ProductVariation.toWooPosVariation(mapper: WooPosVariationMapper): WooPosVariation = |
| 160 | + mapper.fromProductVariation(this) |
| 161 | + |
| 162 | +fun WCProductVariationModel.toWooPosVariation(mapper: WooPosVariationMapper): WooPosVariation = |
| 163 | + mapper.fromWCProductVariationModel(this) |
| 164 | + |
| 165 | +fun WCPosVariationModel.toWooPosVariation(mapper: WooPosVariationMapper): WooPosVariation = |
| 166 | + mapper.fromWCPosVariationModel(this) |
| 167 | + |
| 168 | +fun WooPosVariation.getNameForPOS( |
| 169 | + mapper: WooPosVariationMapper, |
| 170 | + parentProduct: Product? = null, |
| 171 | + resourceProvider: ResourceProvider, |
| 172 | +): String = mapper.getNameForPOS(this, parentProduct, resourceProvider) |
| 173 | + |
| 174 | +fun WooPosVariation.getName(mapper: WooPosVariationMapper, parentProduct: Product? = null): String = |
| 175 | + mapper.getName(this, parentProduct) |
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