Rails Hands-on Seminar Ch11

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ୈ11ষ ϢʔβʔΛϑΥϩʔ͢Δ #RailsνϡʔτϦΞϧ http://railstutorial.jp/ RailsνϡʔτϦΞϧ by ϠεϥϘ 3VCZPO3BJMTνϡʔτϦΞϧ ࣮ྫΛ࢖ͬͯ3BJMTΛֶ΅͏ .JDIBFM)BSUM ϚΠέϧɾϋʔτϧ

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ηϛφʔΛ ࢝ΊΔલʹ

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Screencast.ﬁrst.visit? http://railstutorial.jp/screencasts

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Chapter.code.valid? https://github.com/yasslab/sample_apps

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ຊηϛφʔͷ ̏ͭͷಛ௕

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ߨࢣͷλʔϛφϧ͸Լه URL ͔ΒӾཡͰ͖·͢ :) http://screenx.tv/yasulab ߨٛதʹࢀরͨ͠ϦϯΫ͸ίϝϯτཝͰ (࣭໰΋͓ؾܰʹ)

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࣭໰͸͍ͭͰ΋͓ؾܰʹ! ݸผ૬ஊ͸ٳܜ΍ऴྃޙʹ :)

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“࿩ʹ͍͍͚ͭͯͳ͔ͬͨorz” ͦΜͳͱ͖ʹ҆৺ͳಈըαϙʔτ!

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Ready?

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RailsνϡʔτϦΞϧΛ ਐΊ͍͖ͯ·͠ΐ͏!

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ୈ11ষ ϢʔβʔΛϑΥϩʔ͢Δ #RailsνϡʔτϦΞϧ http://railstutorial.jp/ RailsνϡʔτϦΞϧ by ϠεϥϘ 3VCZPO3BJMTνϡʔτϦΞϧ ࣮ྫΛ࢖ͬͯ3BJMTΛֶ΅͏ .JDIBFM)BSUM ϚΠέϧɾϋʔτϧ

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ୈ10ষͰ΍ͬͨ͜ͱ 1. MicropostϞσϧͷ࡞੒ (cf. ୈ2, 4, 6ষ) • UserͱMicropostͷؔ࿈෇͚  ɹ− User has_many Microposts  ɹ− Micropost belongs_to User 2. MicropostΛදࣔ͢Δ (cf. ୈ7~8ষ) 3. MicropostΛૢ࡞͢Δ (cf. ୈ9ষ) • ΞΫηε੍ޚ • MicropostΛ࡞੒ɾ࡟আ͢Δ

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1. RelationshipϞσϧͷ࡞੒ɾݕূ • User ؒͷؔ࿈ੑΛද͢Ϟσϧͷղઆ • RelationshipΛ࢖ͬͨfollowed/followerͷ࣮૷ • followؔ࿈ͷ౷ܭ৘ใΛදࣔ 2. AjaxͰfollow/unfollowϘλϯͷUIΛ࣮૷ 3. followؔ࿈ͷ৘ใΛجʹ׬શͳfeedΛ࣮૷ 4. σϓϩΠ / ֦ுػೳ / ࠓޙͷಡΈ෺ΨΠυ ୈ11ষͰ΍Δ͜ͱ

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ୈ11ষ ϢʔβʔΛϑΥϩʔ͢Δ 11.1 RelationshipϞσϧ http://railstutorial.jp/ RailsνϡʔτϦΞϧ by ϠεϥϘ 3VCZPO3BJMTνϡʔτϦΞϧ ࣮ྫΛ࢖ͬͯ3BJMTΛֶ΅͏ .JDIBFM)BSUM ϚΠέϧɾϋʔτϧ

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11.1 RelationshipϞσϧ • User ؒͷؔ࿈ੑΛද͢Ϟσϧͷղઆ • RelationshipϞσϧͷ࡞੒ɾݕূ • User/RelationshipϞσϧͷؔ࿈ੑΛ࣮૷ • ϑΥϩʔ͍ͯ͠ΔϢʔβʔΛ࣮૷ • ϑΥϩʔ͞Ε͍ͯΔϢʔβʔΛ࣮૷

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ୈ11ষ ϢʔβʔΛϑΥϩʔ͢Δ 11.2 ϑΥϩʔ͍ͯ͠ΔϢʔβʔ༻ ͷWebΠϯλʔϑΣΠε http://railstutorial.jp/ RailsνϡʔτϦΞϧ by ϠεϥϘ 3VCZPO3BJMTνϡʔτϦΞϧ ࣮ྫΛ࢖ͬͯ3BJMTΛֶ΅͏ .JDIBFM)BSUM ϚΠέϧɾϋʔτϧ

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11.2 ϑΥϩʔ͍ͯ͠ΔϢʔβʔ༻ͷ WebΠϯλʔϑΣΠε • followؔ࿈ͷαϯϓϧσʔλΛੜ੒ • RelationshipͷϧʔςΟϯάͷ࣮૷ • ౷ܭ৘ใΛHomeϖʔδʹදࣔ • followingϖʔδ/followerϖʔδͷ࣮૷ • ϑΥϩʔ/ϑΥϩʔղআϘλϯ(form)ͷઃஔ • ϖʔδભҠͤͣ͞ʹform͔Βૹ৴͢Δ (Ajax)

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ୈ11ষ ϢʔβʔΛϑΥϩʔ͢Δ 11.3 εςʔλεϑΟʔυ http://railstutorial.jp/ RailsνϡʔτϦΞϧ by ϠεϥϘ 3VCZPO3BJMTνϡʔτϦΞϧ ࣮ྫΛ࢖ͬͯ3BJMTΛֶ΅͏ .JDIBFM)BSUM ϚΠέϧɾϋʔτϧ

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11.3 εςʔλεϑΟʔυ • ׬શͳϑΟʔυΛ࣮૷͢Δ: 1. followed_users ͷ౤ߘؚ͕·Ε͍ͯΔ. 2. ࣗ෼ࣗ਎ͷ౤ߘ΋ؚ·Ε͍ͯΔ. 3. follow ͍ͯ͠ͳ͍Ϣʔβͷ౤ߘ͸ؚ·ͳ͍. • SQLͷαϒηϨΫτΛ࢖ͬͯϑΟʔυΛվྑ • ৽͍͠ϑΟʔυͷը໘Λ֬ೝ͢Δ

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͓ർΕ༷Ͱͨ͠

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• User ؒͷؔ࿈ੑΛද͢Ϟσϧͷղઆ • RelationshipϞσϧͷ࡞੒ɾݕূ • RelationshipΛ࢖ͬͨfollowed/followerͷ࣮૷ • followؔ࿈ͷ౷ܭ৘ใΛදࣔ • AjaxͰfollow/unfollowϘλϯͷUIΛ࣮૷ • followؔ࿈ͷ৘ใΛجʹ׬શͳfeedΛ࣮૷ • σϓϩΠ / ֦ுػೳ / ࠓޙͷಡΈ෺ΨΠυ ୈ11ষͰ΍ͬͨ͜ͱ

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ࢀߟ৘ใ

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Rails Ͱ JavaScript Λ࢖༻͢Δ http://railsguides.jp/working_with_javascript_in_rails.html

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Action Support ίΞ֦ுػೳ http://railsguides.jp/active_support_core_extensions.html

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Rails ࠃࡍԽ (I18n) API http://railsguides.jp/i18n.html

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͓஌Βͤ

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Ruby/RailsֶशऀͷͨΊͷ࠙਌ձ https://coedo-rails.doorkeeper.jp/events/21949

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ࠓޙͷਐΊํ • ࠓޙͷεέδϡʔϧ͸ίνϥ!  → ৄࡉ: http://railstutorial.jp/seminars • εΫϦʔϯΩϟετͷൢചΛ։࢝͠·ͨ͠ :)  → ৄࡉ: http://railstutorial.jp/screencasts • Ξϯέʔτͷճ౴ʹ͝ڠྗ͍ͩ͘͞  ίϝϯτཝʹURLΛష෇͚·͢ :)  ※ Ξϯέʔτʹճ౴Λૹ৴͢Δͱ,  ɹಛయಈըͷ৘ใ͕දࣔ͞Ε·͢.

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ୈ11ষ ϢʔβʔΛϑΥϩʔ͢Δ #RailsνϡʔτϦΞϧ http://railstutorial.jp/ RailsνϡʔτϦΞϧ by ϠεϥϘ 3VCZPO3BJMTνϡʔτϦΞϧ ࣮ྫΛ࢖ͬͯ3BJMTΛֶ΅͏ .JDIBFM)BSUM ϚΠέϧɾϋʔτϧ